desharna [Sun, 28 Nov 2021 09:57:48 +0100] rev 74867
restored lemmas less_multiset{DM,HO} inadvertently changed by c256bba593f3
desharna [Sat, 27 Nov 2021 22:20:27 +0100] rev 74866
merged
desharna [Sat, 27 Nov 2021 14:45:00 +0100] rev 74865
added lemmas irreflp_{less,greater} to preorder and {trans,irrefl}_mult{,p} to Multiset
desharna [Sat, 27 Nov 2021 10:46:57 +0100] rev 74864
redefined less_multiset to be based on multp
desharna [Sat, 27 Nov 2021 10:28:48 +0100] rev 74863
added lemmas multp_code_eq_multp and multeqp_code_eq_reflclp_multp
desharna [Sat, 27 Nov 2021 10:22:42 +0100] rev 74862
added lemmas multp_cancel, multp_cancel_add_mset, and multp_cancel_max