]> matita.cs.unibo.it Git - helm.git/blobdiff - helm/gTopLevel/esempi/and_implies_or.cic
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[helm.git] / helm / gTopLevel / esempi / and_implies_or.cic
diff --git a/helm/gTopLevel/esempi/and_implies_or.cic b/helm/gTopLevel/esempi/and_implies_or.cic
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-alias and  /Coq/Init/Logic/Conjunction/and.ind#1/1
-alias conj /Coq/Init/Logic/Conjunction/and.ind#1/1/1
-
-alias or        /Coq/Init/Logic/Disjunction/or.ind#1/1
-alias or_introl /Coq/Init/Logic/Disjunction/or.ind#1/1/1
-alias or_intror /Coq/Init/Logic/Disjunction/or.ind#1/1/2
-
-\A:Prop.
-\B:Prop.
-\H:(and A B).
- Case (H : and ; (or A B)) { \a:A.\b:B.(or_introl A B a) }