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Diffstat (limited to 'src/Util/ZUtil/Mul.v')
| -rw-r--r-- | src/Util/ZUtil/Mul.v | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/Util/ZUtil/Mul.v b/src/Util/ZUtil/Mul.v new file mode 100644 index 000000000..6cf851e4e --- /dev/null +++ b/src/Util/ZUtil/Mul.v @@ -0,0 +1,8 @@ +Require Import Coq.ZArith.ZArith. +Require Import Coq.micromega.Lia. +Local Open Scope Z_scope. + +Module Z. + Lemma mul_comm3 x y z : x * (y * z) = y * (x * z). + Proof. lia. Qed. +End Z. |