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Relations are now closer to Sambin's ones. I.e. they range over Types
[helm.git] / helm / software / matita / library / formal_topology / relations.ma
2008-08-31 Claudio Sacerdoti... Relations are now closer to Sambin's ones. I.e. they...
2008-08-27 Claudio Sacerdoti... Better notation, in particular for subset comprehension.
2008-08-25 Claudio Sacerdoti... New categories REL and BP.