Source · Paper

Stephen Cook · The P versus NP problem

Overview

The precise statements and locators cited in this P versus NP research record.

Published author exposition or original paper.

Passages

The exact passages cited in OpenMath. Each passage identifies how its wording was recorded.

Passage index · 7
  1. Definition 2 and problem statement, pp. 2–3
  2. Problem statement and discussion, pp. 2–3
  3. Definition 4 and Proposition 1(c), pp. 4–5
  4. Proof complexity discussion, pp. 5–6
  5. Decision versus search discussion, p. 5
  6. Definition 4, Proposition 1(c) and SAT NP-completeness discussion, pp. 4–5
  7. Proposition 1(c) and SAT NP-completeness discussion, p. 5
Passage 1 · OpenMath paraphrasePermalink

Definition 2 and problem statement, pp. 2–3

Every language in NP is decidable by a deterministic polynomial-time algorithm.

Passage details

Passage ID: pnp-entry-equality:v1

Source item: equality

Source record: pnp-cook@official-description-sha256-018f3d473d16

Passage 2 · OpenMath paraphrasePermalink

Problem statement and discussion, pp. 2–3

There exists a language in NP that is not decidable by any deterministic polynomial-time algorithm.

Passage details

Passage ID: pnp-entry-inequality:v1

Source item: inequality

Source record: pnp-cook@official-description-sha256-018f3d473d16

Passage 3 · OpenMath paraphrasePermalink

Definition 4 and Proposition 1(c), pp. 4–5

If P ≠ NP, every NP-complete decision language is outside P.

Passage details

Passage ID: pnp-entry-np-complete-hard:v1

Source item: np-complete-hard

Source record: pnp-cook@official-description-sha256-018f3d473d16

Passage 4 · OpenMath paraphrasePermalink

Proof complexity discussion, pp. 5–6

NP and coNP are distinct.

Passage details

Passage ID: pnp-entry-np-conp:v1

Source item: np-conp

Source record: pnp-cook@official-description-sha256-018f3d473d16

Passage 5 · OpenMath paraphrasePermalink

Decision versus search discussion, p. 5

If P = NP, then every polynomially balanced, polynomial-time-decidable witness relation admits polynomial-time witness search or correct reporting that no witness exists.

Passage details

Passage ID: pnp-entry-np-search:v1

Source item: np-search

Source record: pnp-cook@official-description-sha256-018f3d473d16

Passage 6 · OpenMath paraphrasePermalink

Definition 4, Proposition 1(c) and SAT NP-completeness discussion, pp. 4–5

P = NP if and only if SAT is in P.

Passage details

Passage ID: pnp-entry-sat-equivalence:v1

Source item: sat-equivalence

Source record: pnp-cook@official-description-sha256-018f3d473d16

Passage 7 · OpenMath paraphrasePermalink

Proposition 1(c) and SAT NP-completeness discussion, p. 5

Boolean satisfiability has a uniform deterministic polynomial-time decision algorithm.

Passage details

Passage ID: pnp-entry-sat-in-p:v1

Source item: sat-in-p

Source record: pnp-cook@official-description-sha256-018f3d473d16

Used in

Explicit citations in versioned problem publications. A citation records a use; it does not confer proof or independent verification.

P versus NP →

Problem publication v14

P = NP →

Source assessment

Open

Unresolved assertion in the cited scope

The affirmative answer to the canonical question.

Observed Oct 10, 2026

P ≠ NP →

Source assessment

Open

Unresolved assertion in the cited scope

The conjectural negative answer to the same canonical question.

Observed Oct 10, 2026

If P ≠ NP, NP-complete problems have no polynomial algorithm →

Source assessment

Proved

Established implication or scoped theorem in cited mathematics

Rules out uniform polynomial-time algorithms, not efficient restricted-instance methods or heuristics.

Observed Oct 10, 2026

NP ≠ coNP →

Source assessment

Open

Unresolved assertion in the cited scope

A stronger related separation; not equivalent to P ≠ NP.

Observed Oct 10, 2026

If P = NP, NP witnesses can be found efficiently →

Source assessment

Proved

Established implication or scoped theorem in cited mathematics

An asymptotic search consequence for these relations; output length and encoding restrictions matter.

Observed Oct 10, 2026

SAT captures P versus NP →

Source assessment

Proved

Established implication or scoped theorem in cited mathematics

An established equivalence between two unresolved assertions.

Observed Oct 10, 2026

Connection

SAT is an equivalent decision target: a deterministic polynomial-time SAT algorithm establishes P = NP.

SAT in polynomial time →

Source assessment

Open

Unresolved assertion in the cited scope

The SAT decision target; presently unresolved.

Observed Oct 10, 2026

Problem context · 10 citations

Further reading

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PDF

Stephen Cook · The P versus NP problem — proof text ↗

Manuscript / exposition · external

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Resource revision: official-description-sha256-018f3d473d16

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018f3d473d16c35e807e8cdfbd0bed3ccf7a56452e3e10c6b1d84b56eaf2cf59

Credits

Recorded authorship

Stephen Cook

AI involvement not reported

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  1. official-description-sha256-018f3d473d16 · selectedObserved Oct 10, 2026 · used in current publications

    Stephen Cook · The P versus NP problem

Record details
Source ID
pnp-cook
Record ID
pnp-cook@official-description-sha256-018f3d473d16
Recorded title
Stephen Cook · The P versus NP problem
Revision
official-description-sha256-018f3d473d16
Observed
Oct 10, 2026
Source updated
Not recorded
Content SHA-256
018f3d473d16c35e807e8cdfbd0bed3ccf7a56452e3e10c6b1d84b56eaf2cf59
Update method
Manual primary-source check; changes require a new source version and staff publication.
Identifier policy
Source URL and exact theorem/section locator; no inferred identity merge.
Check interval
30 days
Rights
metadata-link
License
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