Logicandapplications2023/class_06_17082023/summary.txt

16 lines
327 B
Plaintext
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

Semantics of propositional logic
Valuation
Satisfiability
unѕatisfiable
validity
contradiction
tautology
logical implication
logical equivalence
claim : \alpha logically implies \beta Iff (\alpha \implies \beta) is a tautology.
claim : If \alpha is a contradiction then for any \beta, \alpha logically implies \beta.