Mon, 23 Apr 2018 08:09:50 +0200 del_max -> split_max
nipkow [Mon, 23 Apr 2018 08:09:50 +0200] rev 68023
del_max -> split_max
Sun, 22 Apr 2018 21:05:14 +0100 Tidied a lot of messy proofs
paulson <lp15@cam.ac.uk> [Sun, 22 Apr 2018 21:05:14 +0100] rev 68022
Tidied a lot of messy proofs
Sat, 21 Apr 2018 11:13:35 +0200 dont rename PQ.del_min
nipkow [Sat, 21 Apr 2018 11:13:35 +0200] rev 68021
dont rename PQ.del_min
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