# HG changeset patch # User paulson # Date 1689501899 -3600 # Node ID c4cc276821d42e8e431f5ed0ef0779d432122ad4 # Parent 1d71ceb76e061c70a535689204594003ad7a101c X = trivial_topology rather than topspace X = {} diff -r 1d71ceb76e06 -r c4cc276821d4 NEWS --- a/NEWS Sat Jul 15 23:35:00 2023 +0100 +++ b/NEWS Sun Jul 16 11:04:59 2023 +0100 @@ -334,6 +334,8 @@ * Session "HOL-Analysis": - Some results reformulated to use f \ A\B rather than f`A \ B, INCOMPATIBILITY, use image_subset_iff_funcset to fix. + - Some results reformulated to use X = trivial_topology rather than + topspace X = {}, INCOMPATIBILITY, use null_topspace_iff_trivial to fix. - Imported the HOL Light abstract metric space library and numerous results in abstract topology (1200+ lemmas). - New material on infinite sums and integration, due to Manuel Eberl