# HG changeset patch # User haftmann # Date 1534941178 0 # Node ID c7ee984243fcdb4e1410d3fa25852dd17b942437 # Parent 248e1678ce556c3b7878d6d2bd5cb1aed454655f tuned diff -r 248e1678ce55 -r c7ee984243fc src/HOL/Binomial.thy --- a/src/HOL/Binomial.thy Wed Aug 22 12:32:58 2018 +0000 +++ b/src/HOL/Binomial.thy Wed Aug 22 12:32:58 2018 +0000 @@ -572,7 +572,7 @@ have "(\k\r. (m choose k) * (0 choose (r - k))) = (\k\r. if k = r then (m choose k) else 0)" by (intro sum.cong) simp_all also have "\ = m choose r" - by (simp add: sum.delta) + by simp finally show ?case by simp next @@ -636,7 +636,7 @@ have x: "0 \ x" using assms of_nat_0_le_iff order_trans by blast have "(x / of_nat k :: 'a) ^ k = (\i = 0.. \ x gchoose k" (* FIXME *) unfolding gbinomial_altdef_of_nat apply (safe intro!: prod_mono)