Tue, 30 Nov 2010 15:58:09 +0100 more systematic and compact proofs on type relation operators using natural deduction rules
haftmann [Tue, 30 Nov 2010 15:58:09 +0100] rev 40820
more systematic and compact proofs on type relation operators using natural deduction rules
Tue, 30 Nov 2010 15:58:09 +0100 adapted proofs to slightly changed definitions of congruent(2)
haftmann [Tue, 30 Nov 2010 15:58:09 +0100] rev 40819
adapted proofs to slightly changed definitions of congruent(2)
Mon, 29 Nov 2010 22:47:55 +0100 reorienting iff in Quotient_rel prevents simplifier looping;
haftmann [Mon, 29 Nov 2010 22:47:55 +0100] rev 40818
reorienting iff in Quotient_rel prevents simplifier looping; lemma QuotientI; tuned theory text
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