Truth and Rationality

Flashcards covering key concepts of Truth and Rationality, including different principles and definitions related to truth and belief.

Truth and Correspondence Principle (CP)

A declarative sentence S is true when S corresponds to the way the world is.

Revised Correspondence Principle (RCP)

A proposition p is true when p corresponds to the way the world is.

One Truth-Value Principle (OTV)

Every proposition bears exactly one truth-value – either the value true or the value false.

Belief Principle (BP)

For any proposition p, you must either believe p, disbelieve p, or suspend judgment with respect to p.

Principle of Rational Belief (RB)

If your total evidence supports p, then it’s rational to believe p; if it goes against p, it’s rational to disbelieve p.

Principle of Proportional Belief (PB)

It is rational to proportion the strength of your belief to the strength of your evidence.

Fallibilism

The idea that a proposition can be rationally believed but false.

Declarative Sentence

A sentence that makes a statement and can be true or false.

Sentence-token

A specific verbal utterance or physical inscription of a declarative sentence.

Sentence-type

The general pattern that two or more sentence-tokens follow.

Proposition

The meaning of a sentence token.