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0xGeorgii opened this issue Feb 7, 2022 · 0 comments
Open

Determine whether a formula invalid #28

0xGeorgii opened this issue Feb 7, 2022 · 0 comments
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@0xGeorgii
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Definition A formula is said to be a tautology (valid) if and only if is true under all its interpretations. A formula is said to be invalid if it is not a tautology.

ref: Symbolic Logic and Mechanical Theorem Proving (Computer Science and Applied Mathematics) 1st Edition,
by Chin-Liang Chang, Richard Char-Tung Lee, p. 11

@0xGeorgii 0xGeorgii added the enhancement New feature or request label Feb 7, 2022
@0xGeorgii 0xGeorgii added this to the 1.0.0 milestone Feb 7, 2022
@0xGeorgii 0xGeorgii self-assigned this Feb 7, 2022
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