Combining Texts

Ideas for 'Theaetetus', 'The Semantic Conception of Truth' and 'Intro to I: Classical Logic'

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3 ideas

5. Theory of Logic / A. Overview of Logic / 6. Classical Logic

9463	Classical logic is bivalent, has excluded middle, and only quantifies over existent objects [Jacquette]

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

19192

The truth definition proves semantic contradiction and excluded middle laws (not the logic laws) [Tarski]

5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / a. The Liar paradox

19187

The Liar makes us assert a false sentence, so it must be taken seriously [Tarski]