Wed, 27 Sep 2006 03:04:35 +0200 add lemma stc_unique; shorten stc proofs
huffman [Wed, 27 Sep 2006 03:04:35 +0200] rev 20724
add lemma stc_unique; shorten stc proofs
Wed, 27 Sep 2006 02:07:34 +0200 add lemmas approx_diff and st_unique, shorten st proofs
huffman [Wed, 27 Sep 2006 02:07:34 +0200] rev 20723
add lemmas approx_diff and st_unique, shorten st proofs
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip