9 lines
179 B
Text
9 lines
179 B
Text
open nat
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example (a b : nat) : a = 0 → b = 1 → a = b → a + b * b ≤ 10000 :=
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begin
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intro a0 b1 ab,
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exfalso, state,
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rewrite [a0 at ab, b1 at ab],
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contradiction
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end
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