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10 lines
507 B
Markdown
10 lines
507 B
Markdown
### Basic logic
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| Name | Mathlib equivalent | Proposition |
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|---------------|--------------------|-------------|
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|`basicLogic.and_commutative` | `and_comm` | $$a\land b \iff b \land a$$ |
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|`basicLogic.or_commutative` | `or_comm` | $$a\lor b \iff b \lor a$$ |
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|`basicLogic.double_negation` | `not_not_intro`| $$a\to\neg\neg a$$ |
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|`basicLogic.and_associative` | `and_assoc`| $$a\land (b\land c) \iff (a\land b) \land c$$|
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|`basicLogic.contrapositive` | `contrapose` | $$(a \to b) \to (\neg b \to \neg a)$$|
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