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Mirrors > Home > ILE Home > Th. List > biimpri | Unicode version |
Description: Infer a converse implication from a logical equivalence. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen, 16-Sep-2013.) |
Ref | Expression |
---|---|
biimpri.1 |
Ref | Expression |
---|---|
biimpri |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | biimpri.1 | . . 3 | |
2 | 1 | bicomi 130 | . 2 |
3 | 2 | biimpi 118 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 103 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 |
This theorem depends on definitions: df-bi 115 |
This theorem is referenced by: sylibr 132 sylbir 133 sylbbr 134 sylbb1 135 sylbb2 136 mpbir 144 syl5bir 151 syl6ibr 160 bitri 182 sylanbr 279 sylan2br 282 simplbi2 377 sylanblrc 407 mtbi 627 pm3.44 667 orbi2i 711 pm2.31 717 dcor 876 rnlem 917 syl3an1br 1208 syl3an2br 1209 syl3an3br 1210 xorbin 1315 3impexpbicom 1367 equveli 1682 sbbii 1688 dveeq2or 1737 exmoeudc 2004 eueq2dc 2765 ralun 3154 undif3ss 3225 ssunieq 3634 a9evsep 3900 tfi 4323 peano5 4339 opelxpi 4394 ndmima 4722 iotass 4904 dffo2 5130 dff1o2 5151 resdif 5168 f1o00 5181 ressnop0 5365 fsnunfv 5384 ovid 5637 ovidig 5638 f1stres 5806 f2ndres 5807 diffisn 6377 diffifi 6378 unsnfi 6384 ordiso2 6446 ltexnqq 6598 enq0sym 6622 prarloclem5 6690 nqprloc 6735 nqprl 6741 nqpru 6742 pitonn 7016 axcnre 7047 peano5nnnn 7058 axcaucvglemres 7065 le2tri3i 7219 muldivdirap 7795 peano5nni 8042 0nn0 8303 uzind4 8676 elfz4 9038 eluzfz 9040 ssfzo12bi 9234 ioom 9269 iser0 9471 nn0abscl 9971 fimaxre2 10109 iserile 10180 ndvdsadd 10331 gcdsupex 10349 gcdsupcl 10350 ialgrlemconst 10425 divgcdcoprmex 10484 1idssfct 10497 bj-sucexg 10713 bj-indind 10727 bj-2inf 10733 findset 10740 |
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