changeset 63901 | 4ce989e962e0 |
parent 63167 | 0909deb8059b |
child 65583 | 8d53b3bebab4 |
--- a/src/HOL/Matrix_LP/ComputeFloat.thy Fri Sep 16 18:09:13 2016 +0200 +++ b/src/HOL/Matrix_LP/ComputeFloat.thy Fri Sep 16 21:28:09 2016 +0200 @@ -46,7 +46,7 @@ apply (simp add: int_of_real_sub real_int_of_real) done -lemma real_is_int_rep: "real_is_int x \<Longrightarrow> ?! (a::int). real_of_int a = x" +lemma real_is_int_rep: "real_is_int x \<Longrightarrow> \<exists>!(a::int). real_of_int a = x" by (auto simp add: real_is_int_def) lemma int_of_real_mult: