# HG changeset patch # User lcp # Date 786106267 -3600 # Node ID 521a6f3ff27912fbff08c4955f3d33fbf076b1dd # Parent ec86863e87c8f0f2b44e6cd26d7b2d96b5a67468 le_UN_Ord_lt_csucc: added comment diff -r ec86863e87c8 -r 521a6f3ff279 src/ZF/Cardinal_AC.ML --- a/src/ZF/Cardinal_AC.ML Tue Nov 29 00:31:31 1994 +0100 +++ b/src/ZF/Cardinal_AC.ML Tue Nov 29 11:51:07 1994 +0100 @@ -144,6 +144,8 @@ by (REPEAT (eresolve_tac [asm_rl, ltE] 1)); val lt_subset_trans = result(); +(*The same yet again, but the index set need not be a cardinal. + Surprisingly complicated proof!*) goal Cardinal_AC.thy "!!K. [| InfCard(K); |W| le K; ALL w:W. j(w) < csucc(K) |] ==> \ \ (UN w:W. j(w)) < csucc(K)";