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3 commits

Author SHA1 Message Date
Adam Chlipala
a55a98b426 RuleInduction: some propositional logic, with slightly naughty use of excluded middle 2021-02-28 17:19:06 -05:00
Adam Chlipala
7a906b1a63 Nicer proof of Permutation_app 2021-02-28 11:02:46 -05:00
Adam Chlipala
cf7d27417d Start code for new RuleInduction chapter, up through permutation 2021-02-28 10:59:13 -05:00