Wed, 12 Sep 2018 16:12:50 +0200 tuned "=" syntax declarations; made "~=" uniformly "infix"
nipkow [Wed, 12 Sep 2018 16:12:50 +0200] rev 68973
tuned "=" syntax declarations; made "~=" uniformly "infix"
Tue, 11 Sep 2018 22:25:00 +0200 tuned proof
nipkow [Tue, 11 Sep 2018 22:25:00 +0200] rev 68972
tuned proof
Tue, 11 Sep 2018 18:12:11 +0200 simplified defns
nipkow [Tue, 11 Sep 2018 18:12:11 +0200] rev 68971
simplified defns
Tue, 11 Sep 2018 17:53:08 +0200 "undefined" not needed, [] is perfectly natural
nipkow [Tue, 11 Sep 2018 17:53:08 +0200] rev 68970
"undefined" not needed, [] is perfectly natural
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