make compilation work for coq <= 8.10 #102
Merged
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On older coqc versions, lia will go into an infinite loop here
if there is confusing stuff in the context. So we clean up
the context a little in order to get backwards compatibility.
With this patch, different coq versions can use the same
version of the math-classes library.
It would for instance make obsolete this suggested patch to the nix-file
NixOS/nixpkgs@fdfbe86