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chore(theories/number_theory/dioph): cleanup
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digama0 committed Dec 5, 2017
1 parent 7191e39 commit b1981c9
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2 changes: 1 addition & 1 deletion data/int/basic.lean
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Expand Up @@ -526,7 +526,7 @@ end

/- nat abs -/

attribute [simp] nat_abs
attribute [simp] nat_abs nat_abs_of_nat nat_abs_zero nat_abs_one

theorem nat_abs_add_le (a b : ℤ) : nat_abs (a + b) ≤ nat_abs a + nat_abs b :=
begin
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