36 lines
839 B
Text
36 lines
839 B
Text
rewrite_set simple
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add_rewrite eq_id imp_truel imp_truer Nat::add_zeror : simple
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variables a b : Nat
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(*
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local opts = options({"simplifier", "contextual"}, false)
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local t = parse_lean('λ x, a = a → x = a')
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local t2, pr = simplify(t, "simple", opts)
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print(t2)
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print(pr)
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get_environment():type_check(pr)
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*)
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(*
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local opts = options({"simplifier", "contextual"}, false)
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local t = parse_lean('λ x, x = a → x = x')
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local t2, pr = simplify(t, "simple", opts)
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print(t2)
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print(pr)
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get_environment():type_check(pr)
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*)
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(*
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local opts = options({"simplifier", "contextual"}, false)
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local t = parse_lean('λ x, x = a + 0 → a = a')
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local t2, pr = simplify(t, "simple", opts)
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print(t2)
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print(pr)
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*)
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(*
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local t = parse_lean('λ x, a + 0 = 1 → x > a')
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local t2, pr = simplify(t, "simple")
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print(t2)
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print(pr)
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get_environment():type_check(pr)
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*)
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