2014-01-23 20:57:05 +00:00
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rewrite_set simple
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add_rewrite and_truer and_truel and_falser and_falsel or_falsel : simple
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(*
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add_congr_theorem("simple", "and_congr")
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add_congr_theorem("simple", "or_congr")
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*)
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variables a b c : Nat
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(*
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local opts = options({"simplifier", "contextual"}, false)
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local t = parse_lean([[a = 1 ∧ (¬ b = 0 ∨ c ≠ 0 ∨ b + c > a)]])
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2014-01-27 23:02:05 +00:00
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local s, pr = simplify(t, "simple", opts)
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2014-01-23 20:57:05 +00:00
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print(s)
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print(pr)
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print(get_environment():type_check(pr))
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*)
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