Contemporary Western Philosophy: Analytic Thought, Phenomenology, Existentialism and Pragmatism

This chapter answers Section XH4.4, "Contemporary Western Philosophy", of XH4 Philosophy, one of the six optional sections of the Humanities and Social Sciences (XH) paper, chosen at the time of application. It is the only chapter of this subject. It covers the analytic tradition — Frege on sense and reference, logical positivism's verification principle and elimination of metaphysics, Moore's common sense and proof of an external world, Russell's logical atomism and definite descriptions, Wittgenstein's picture theory, private-language argument, meaning as use and forms of life, Ryle's attack on Cartesian dualism, Quine's "Two Dogmas" and Strawson's concept of a person; the phenomenological and existentialist tradition — Husserl, Heidegger, Sartre and Merleau-Ponty; and the pragmatists and critics of modern reason — James, Dewey, Nietzsche, Rorty and Habermas. The subject is descriptive, so the questions turn on attributing each thesis to the right thinker.

1. Frege, logical positivism and Moore

Gottlob Frege draws the foundational distinction between the sense (Sinn) and the reference (Bedeutung) of an expression. The reference is the object the expression stands for; the sense is its mode of presentation of that object. "The morning star" and "the evening star" share one reference, the planet Venus, but differ in sense, which is why "the morning star is the evening star" is informative while "the morning star is the morning star" is trivial. Sense determines reference, and a sentence's reference is its truth value.

Logical positivism (the Vienna Circle) makes meaning turn on testability. Its verification principle holds that a statement is cognitively meaningful only if it is either analytic (true or false by its logical form or definitions) or empirically verifiable. On this test the claims of traditional metaphysics, and theology, come out as neither true nor false but literally meaningless, which is the positivists' programme of the elimination of metaphysics.

G. E. Moore turns against idealism and scepticism by defending common sense. In "A Defence of Common Sense" he insists we know with certainty many ordinary truths — that there is a living human body, that the earth existed long before our birth. In "Proof of an External World" he argues, by holding up his hands and saying "here is one hand, and here is another", that external things exist, taking these everyday certainties to be more secure than any sceptical premise that would deny them.

⚠️ Sense and reference is Frege's
The sense-reference distinction belongs to Frege, and the picture theory to the early Wittgenstein; the proof of an external world and the defence of common sense are Moore's. Questions often swap these, so attach each doctrine firmly to its author.
ℹ️ A note on "Moore and sense and reference"
The syllabus heading lists a "distinction between sense and reference" under Moore. The sense-reference distinction as such is Frege's and is set out above. In Moore's own writing the nearest relative is his separation of understanding what an ordinary sentence means from giving its correct analysis ("A Defence of Common Sense"): we know what "the earth has existed for many years" means without knowing its analysis. Treat Frege's distinction as the one to know; no question in this chapter turns on the Moore wording.

2. Russell's atomism and Wittgenstein on language

Bertrand Russell's logical atomism holds that the world is a totality of atomic facts and that a logically perfect language mirrors them with atomic propositions. His theory of definite descriptions analyses a phrase like "the present King of France" not as a name of a mysterious object but as a quantified claim: there is exactly one present King of France, and he is bald. Because no such person exists, "the present King of France is bald" comes out plainly false rather than meaningless, dissolving the puzzle of non-referring terms. Russell and Moore together led the early twentieth-century revolt against British idealism: Russell rejected its monism and doctrine of internal relations in favour of a pluralist world of independent atomic facts, and Moore's paper "The Refutation of Idealism" (1903) argued against the idealist thesis that to be is to be perceived.

The early Ludwig Wittgenstein of the Tractatus offers the picture theory of meaning: a meaningful proposition is a logical picture of a possible state of affairs, sharing a logical form with what it depicts. What cannot be pictured — the ethical, the metaphysical, the mystical — cannot be said, whence "whereof one cannot speak, thereof one must be silent".

The later Wittgenstein of the Philosophical Investigations abandons the picture theory for meaning as use: the meaning of a word is its use within a language-game, embedded in a shared form of life. His private-language argument shows that a language intelligible to only one person is impossible, because it would have no public criterion to separate correctly following a rule from merely seeming to — a sensation named purely privately is like a "beetle in a box" that drops out of the language.

⚠️ Two Wittgensteins, two theories
Keep the periods apart. The picture theory, the limits of what can be said and the closing silence belong to the early Wittgenstein of the Tractatus. Meaning as use, language-games, forms of life and the private-language argument belong to the later Wittgenstein of the Philosophical Investigations, who in fact criticises his earlier view. A question that says "meaning as use" cannot have the picture theory as its answer, and the reverse.

3. Ryle, Quine and Strawson

Gilbert Ryle argues that Cartesian dualism rests on a category mistake: it puts the mind in the same logical category as the body, as though the mind were a second, ghostly thing — "the ghost in the machine". Talk of "systematically misleading expressions" shows how ordinary grammar tempts us into such errors. For Ryle mental terms are largely dispositional, describing patterns of behaviour and capacities rather than hidden inner episodes.

W. V. O. Quine's "Two Dogmas of Empiricism" attacks two assumptions of logical empiricism. The first dogma is the sharp analytic-synthetic distinction, which Quine argues cannot be drawn without circularity. The second is reductionism, the belief that each meaningful statement has its own range of confirming experiences. In their place Quine puts confirmation holism: our beliefs face the "tribunal of experience" not one by one but as a connected web of belief, so that in principle any statement can be revised.

P. F. Strawson treats the concept of a person as logically primitive — a basic kind of entity to which we ascribe both states of consciousness (P-predicates, like "is in pain") and corporeal characteristics (M-predicates, like "weighs 70 kg"). Because both kinds of predicate belong to one and the same subject, neither Cartesian dualism (two things) nor the no-ownership theory can be right.

4. Phenomenology and existentialism

Edmund Husserl founds phenomenology as the rigorous descriptive study of the structures of consciousness as experienced; in "Philosophy as Rigorous Science" he argues that philosophy must be such a science, free of naturalistic presuppositions. Its guiding mark is intentionality: consciousness is always consciousness of something. To describe experience purely, Husserl performs the phenomenological reduction (epoché) — "bracketing" the natural attitude and suspending judgment about whether the world exists, so that the phenomenon can be described just as it presents itself. He also develops the problem of intersubjectivity, how other conscious subjects are constituted for me.

Martin Heidegger recasts the question of Being through Dasein, the entity (ourselves) for whom its own Being is an issue. Dasein is essentially being-in-the-world (In-der-Welt-sein): not a subject set over against objects, but always already engaged, caring and practically involved with things and others, so the Cartesian split of mind and world is rejected from the start.

Jean-Paul Sartre distinguishes being-in-itself (être-en-soi), the fixed, non-conscious being of things, from being-for-itself (être-pour-soi), the free, self-aware being of consciousness, and adds being-for-others (être-pour-autrui), the way I exist under the gaze of another person. For human beings existence precedes essence: we first exist and then make ourselves through choices, so we are "condemned to be free". Bad faith (mauvaise foi) is the self-deception of fleeing this freedom by pretending to be a mere fixed thing or role. Maurice Merleau-Ponty corrects an over-intellectual phenomenology with the primacy of perception and embodied consciousness: I know the world first through the lived body-subject, not through a detached mind.

5. Pragmatism and the critics of modern reason

William James gives pragmatic theories of meaning and truth: the meaning of an idea lies in its practical consequences, and a belief is true in so far as it "works" — is useful, verifiable and expedient in the long run, its "cash value" in experience. In The Varieties of Religious Experience he studies religion empirically through its lived effects. John Dewey develops a pragmatist epistemology centred on inquiry, the controlled movement from a doubtful, indeterminate situation to a resolved one; knowledge is fallible and revisable, rooted in experience, and education is learning by active, reflective doing.

Friedrich Nietzsche mounts a radical critique of Enlightenment reason and inherited morality. He posits the will to power as a basic drive, and in On the Genealogy of Morality traces how a noble master morality of good and bad was overturned by a slave morality of good and evil born of ressentiment. His overman (Übermensch) is the figure who, after the "death of God", creates new values rather than inheriting them.

Richard Rorty attacks representationalism — the picture of the mind as a "mirror of nature" and of knowledge as accurate representation of a ready-made reality. Rejecting such foundations, his neo-pragmatism replaces the quest for objective correspondence with solidarity and useful conversation. Jürgen Habermas reconstructs reason as communicative rationality: rationality is realised in uncoerced communication oriented to mutual understanding, idealised in a "speech situation" where only the force of the better argument prevails. This communicative reason is contrasted with merely instrumental or strategic reason.

Who holds what: central thesis and principal work
ThinkerCentral thesis (principal work)
FregeSense (mode of presentation) differs from reference (object) (On Sense and Reference)
RussellDefinite descriptions are existential and uniqueness claims (On Denoting)
MooreCommon-sense certainties answer the sceptic (Proof of an External World)
Wittgenstein (early)Propositions picture possible states of affairs (Tractatus)
Wittgenstein (later)Meaning is use in a language-game and form of life (Philosophical Investigations)
RyleCartesian dualism is a category mistake (The Concept of Mind)
QuineNo sharp analytic-synthetic line; confirmation holism (Two Dogmas of Empiricism)
StrawsonThe person is a primitive concept (Individuals)
HeideggerDasein is being-in-the-world (Being and Time)
SartreExistence precedes essence; bad faith (Being and Nothingness)
Merleau-PontyEmbodied perception is primary (Phenomenology of Perception)
JamesTruth is what works, its cash value (Pragmatism)
RortyRejects the mind as mirror of nature (Philosophy and the Mirror of Nature)
HabermasReason is communicative rationality (The Theory of Communicative Action)

Key takeaways

  • Frege separates sense (mode of presentation) from reference (object); logical positivism's verification principle counts only analytic or empirically testable statements as meaningful and so eliminates metaphysics; Moore defends common sense and proves an external world against scepticism and idealism.
  • Russell's logical atomism and theory of definite descriptions make "the present King of France is bald" false rather than meaningless; the early Wittgenstein's picture theory gives way to the later Wittgenstein's meaning-as-use, language-games, forms of life and the private-language argument.
  • Ryle exposes Cartesian dualism as a category mistake (the ghost in the machine); Quine's Two Dogmas reject the analytic-synthetic distinction and reductionism for confirmation holism; Strawson makes the person a primitive concept carrying both P-predicates and M-predicates.
  • Husserl's phenomenology rests on intentionality and the epoché; Heidegger's Dasein is being-in-the-world; Sartre contrasts being-in-itself with being-for-itself, affirms that existence precedes essence and diagnoses bad faith; Merleau-Ponty grounds knowing in the embodied, perceiving body-subject.
  • James ties meaning and truth to practical consequences and cash value; Dewey centres inquiry, fallibilism, experience and education; Nietzsche advances the will to power, the genealogy of master and slave morality and the overman; Rorty rejects representationalism; Habermas reconstructs reason as communicative rationality.

Practice questions (16)

Attempt each one before opening the answer. Every explanation names the tempting wrong option as well as the right one, because that is where marks are lost.

  1. Frege uses the example of "the morning star" and "the evening star" to establish which distinction?

    1. That two expressions can share a reference (the same object) yet differ in sense (mode of presentation)
    2. That every meaningful proposition is a logical picture of a possible state of affairs in the world, sharing its logical form with what it depicts
    3. That the meaning of a word is nothing but its use in a shared public language
    4. That a definite description must be analysed away into an existential and uniqueness claim
    Show answer

    Answer: A — That two expressions can share a reference (the same object) yet differ in sense (mode of presentation)

    The morning star and the evening star both refer to Venus (one reference) but present it differently (two senses), which is Frege's sense-reference distinction and explains why the identity is informative. The picture theory is the early Wittgenstein's, meaning as use is the later Wittgenstein's, and the analysis of descriptions is Russell's.

  2. According to the logical positivists' verification principle, a synthetic statement is cognitively meaningful only if which condition holds?

    1. It has been handed down within a long and respected metaphysical tradition
    2. It is in principle capable of being verified by empirical observation
    3. It expresses a sincere and deeply felt attitude of the speaker
    4. It can be pictured in the imagination as a vivid mental image
    Show answer

    Answer: B — It is in principle capable of being verified by empirical observation

    The verification principle makes empirical verifiability (for synthetic statements) the test of cognitive meaning, which is why the positivists dismiss metaphysics as meaningless. Belonging to a tradition, voicing an attitude, or being imaginable are none of them the positivists' criterion of meaning.

  3. In "Proof of an External World", how does G. E. Moore argue that external objects exist?

    1. By deriving the existence of matter a priori from the mere concept of a greatest conceivable being whose perfection includes existence
    2. By showing that the idea of an unperceived object is an unintelligible abstract idea
    3. By holding up his hands and taking the certainty that "here is one hand" to outweigh any sceptical premise
    4. By bracketing the existence of the world and describing the pure contents of consciousness
    Show answer

    Answer: C — By holding up his hands and taking the certainty that "here is one hand" to outweigh any sceptical premise

    Moore's proof appeals to the plain certainty of "here is one hand, and here is another", which he takes to be more certain than any premise a sceptic could use to deny it. The a priori proof from a concept is Anselm's ontological argument, the attack on abstract ideas is Berkeley's, and bracketing the world is Husserl's epoché.

  4. On Russell's theory of definite descriptions, what is the correct verdict on the sentence "The present King of France is bald", given that France has no king?

    1. It is meaningless, because its grammatical subject fails to name any existing object at all
    2. It is neither true nor false, because it presupposes a king who does not in fact exist
    3. It is true by default, since nothing false can be asserted of a subject that does not exist
    4. It is false, because it asserts that exactly one present King of France exists and is bald, and none does
    Show answer

    Answer: D — It is false, because it asserts that exactly one present King of France exists and is bald, and none does

    Russell analyses the sentence as asserting the existence and uniqueness of a present King of France, which is false, so the whole statement is false, not meaningless and not truth-valueless. Treating it as meaningless ignores the analysis, and the no-truth-value reading is Strawson's later objection, not Russell's own verdict.

  5. The picture theory of meaning in Wittgenstein's Tractatus holds that a meaningful proposition does what?

    1. It pictures a possible state of affairs by sharing a logical form with what it depicts
    2. It acquires meaning only from the practical consequences it produces in human conduct and experience over time
    3. It derives all its content from a corresponding sensory impression in the mind
    4. It is true exactly when it coheres with the whole web of accepted beliefs
    Show answer

    Answer: A — It pictures a possible state of affairs by sharing a logical form with what it depicts

    In the Tractatus a proposition is a logical picture of a possible state of affairs, sharing a logical form with it. Grounding meaning in practical consequences is pragmatism, deriving content from impressions is Humean empiricism, and the coherence of the web of belief is closer to Quine, none of which is the picture theory.

  6. What is the central conclusion of the later Wittgenstein's private-language argument?

    1. That a perfectly private sensation can be named and known with more certainty than any public object
    2. That a language intelligible to only one speaker is impossible, for it would lack any public criterion of correct use
    3. That all languages ultimately reduce to a single universal logical syntax underlying every possible language
    4. That words refer by naming private inner ideas, which each speaker alone can inspect directly within their own mind
    Show answer

    Answer: B — That a language intelligible to only one speaker is impossible, for it would lack any public criterion of correct use

    The private-language argument concludes that a language only its single user could understand is impossible, since without a public standard there is no difference between following a rule correctly and merely thinking one does. The other options assert exactly the privileged private access and inner-naming picture that the argument is designed to undermine.

  7. Gilbert Ryle charges that Descartes' dualism of mind and body commits a "category mistake". What does he mean?

    1. That Descartes mistakenly denied the existence of the body along with the external world, leaving only the thinking mind as real
    2. That Descartes confused analytic truths of logic with synthetic truths of fact
    3. That Descartes placed the mind in the same logical category as the body, as a second ghostly thing in a machine
    4. That Descartes treated clear and distinct ideas as doubtful rather than certain
    Show answer

    Answer: C — That Descartes placed the mind in the same logical category as the body, as a second ghostly thing in a machine

    Ryle's category mistake is the error of assigning the mind to the same logical type as the body, so that it looks like a further, ghostly thing — the ghost in the machine. Descartes did not deny the body, did not confuse analytic with synthetic truths, and treated clear and distinct ideas as certain, so those options misstate his position.

  8. In "Two Dogmas of Empiricism", which two assumptions of logical empiricism does Quine chiefly attack?

    1. The reality of universals and the existence of innate ideas present in the mind at birth
    2. The picture theory of meaning and the claim that ethical statements are meaningless
    3. The primacy of perception and the thesis that existence precedes essence
    4. The sharp analytic-synthetic distinction and reductionism, which he replaces with confirmation holism
    Show answer

    Answer: D — The sharp analytic-synthetic distinction and reductionism, which he replaces with confirmation holism

    Quine's two dogmas are the analytic-synthetic distinction and reductionism, and he replaces them with a holism on which beliefs face experience as a connected whole. Universals and innate ideas, the picture theory and emotivism, and the phenomenological-existentialist theses are all from other debates and are not the targets of "Two Dogmas".

  9. In Husserl's phenomenology, the thesis that consciousness is always consciousness "of" something is called what?

    1. Intentionality, the directedness of consciousness toward an object
    2. Verification, the testing of a statement against empirical experience and observation
    3. Subalternation, the inference from a universal to a particular
    4. Falsification, the refutability of a scientific hypothesis
    Show answer

    Answer: A — Intentionality, the directedness of consciousness toward an object

    Intentionality is Husserl's term for the essential directedness of consciousness toward its objects. Verification belongs to logical positivism, subalternation to the square of opposition in categorical logic, and falsification to the philosophy of science, so none of them names this feature of consciousness.

  10. Heidegger's term "Dasein" and his characterisation of it as "being-in-the-world" are meant to do what?

    1. To reinstate the Cartesian subject as a detached mind that contemplates, from outside, an external world of separate objects
    2. To describe human existence as always already engaged and involved in a world, not a detached subject facing objects
    3. To define the human being as merely one more object governed wholly by physical law
    4. To prove the existence of God from the order and governance of the world
    Show answer

    Answer: B — To describe human existence as always already engaged and involved in a world, not a detached subject facing objects

    Dasein as being-in-the-world describes human existence as always already engaged with and caring about a world, which dissolves the subject-object split rather than reinstating it. Heidegger does not restore the Cartesian subject, does not reduce the human to a mere physical object, and offers no proof of God from governance (that is Aquinas).

  11. On Sartre's analysis, a person who tells themselves they "had no choice" because of their social role, in order to escape responsibility for a free decision, exhibits what?

    1. Authentic being-in-itself, the fixed and settled essence that is proper to every conscious human subject
    2. The communicative rationality of an ideal speech situation
    3. Bad faith, a self-deception that flees freedom by posing as a mere fixed thing or role
    4. A category mistake about the logical type of the mind
    Show answer

    Answer: C — Bad faith, a self-deception that flees freedom by posing as a mere fixed thing or role

    Denying one's freedom by hiding behind a role, to evade responsibility, is precisely Sartre's bad faith. Being-in-itself is the mode of non-conscious things, not an authentic human state; communicative rationality is Habermas's; and the category mistake is Ryle's, so each of those misassigns the phenomenon.

  12. In On the Genealogy of Morality, how does Nietzsche characterise the contrast between "master morality" and "slave morality"?

    1. Master morality is grounded in empirical verification of its claims, while slave morality rests on unverifiable metaphysical speculation
    2. Master morality maximises collective happiness, while slave morality maximises individual self-interest
    3. Master morality follows the categorical imperative, while slave morality follows hypothetical imperatives
    4. Master morality is a noble valuation of good versus bad, overturned by a slave morality of good versus evil born of ressentiment
    Show answer

    Answer: D — Master morality is a noble valuation of good versus bad, overturned by a slave morality of good versus evil born of ressentiment

    Nietzsche contrasts a noble master morality of good and bad with a reactive slave morality of good and evil that arises from ressentiment and inverts the earlier values. The verification, utilitarian-happiness and Kantian-imperative framings all import criteria from other philosophies that Nietzsche's genealogy does not use.

  13. Which of the following attributions in the analytic tradition are correct?

    1. Frege distinguished the sense of an expression from its reference
    2. Russell analysed definite descriptions as existential and uniqueness claims
    3. Strawson treated the concept of a person as logically primitive
    4. Quine defended the sharp analytic-synthetic distinction as the foundation of empiricism
    Show answer

    Answer: A — Frege distinguished the sense of an expression from its reference; B — Russell analysed definite descriptions as existential and uniqueness claims; C — Strawson treated the concept of a person as logically primitive

    Frege (sense and reference), Russell (definite descriptions) and Strawson (the person as primitive) are correctly attributed. Quine did the opposite of defending the distinction: in "Two Dogmas" he attacked the analytic-synthetic distinction rather than defending it, so that attribution is false.

  14. Which of the following statements about phenomenology and existentialism are correct?

    1. Husserl's epoché brackets the natural attitude to describe phenomena as they present themselves
    2. Merleau-Ponty emphasises embodied consciousness and the primacy of perception
    3. Sartre holds that for human beings existence precedes essence
    4. Heidegger argues that the human being is a pure thinking substance wholly separate from its world
    Show answer

    Answer: A — Husserl's epoché brackets the natural attitude to describe phenomena as they present themselves; B — Merleau-Ponty emphasises embodied consciousness and the primacy of perception; C — Sartre holds that for human beings existence precedes essence

    The epoché (Husserl), embodied perception (Merleau-Ponty) and existence preceding essence (Sartre) are all correct. Heidegger argues the reverse of the claim that the human being is a pure thinking substance: Dasein is being-in-the-world, not a thinking substance separate from its world, so that claim is false.

  15. Which of the following correctly describe the pragmatist philosophers?

    1. William James ties the truth of a belief to its working and practical "cash value"
    2. John Dewey makes inquiry central and treats knowledge as fallible and revisable
    3. Richard Rorty rejects the picture of the mind as a mirror of nature
    4. John Dewey defends knowledge as the mind's exact correspondence to a fixed, ready-made reality
    Show answer

    Answer: A — William James ties the truth of a belief to its working and practical "cash value"; B — John Dewey makes inquiry central and treats knowledge as fallible and revisable; C — Richard Rorty rejects the picture of the mind as a mirror of nature

    James (truth as cash value), Dewey (inquiry and fallibilism) and Rorty (rejecting the mirror of nature) are accurate. The claim that Dewey defends exact correspondence attributes to him a correspondence-mirror theory that pragmatism, and Rorty after it, explicitly reject, so it is false.

  16. Which of the following statements about Nietzsche and Habermas are correct?

    1. Nietzsche posits the will to power as a fundamental drive
    2. Nietzsche offers a genealogy of morals tracing master and slave valuations
    3. Habermas locates rationality in uncoerced communication aimed at mutual understanding
    4. Habermas reduces all reason to the strategic pursuit of power, denying any shared understanding
    Show answer

    Answer: A — Nietzsche posits the will to power as a fundamental drive; B — Nietzsche offers a genealogy of morals tracing master and slave valuations; C — Habermas locates rationality in uncoerced communication aimed at mutual understanding

    The will to power and the genealogy of morals are Nietzsche's, and communicative rationality oriented to mutual understanding is Habermas's. The claim that Habermas reduces reason to strategic power inverts him, who distinguishes communicative reason precisely from strategic, power-oriented reason, so it is false.