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| Mirrors > Home > ILE Home > Th. List > biimpar | GIF version | ||
| Description: Inference from a logical equivalence. (Contributed by NM, 3-May-1994.) |
| Ref | Expression |
|---|---|
| biimpa.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
| Ref | Expression |
|---|---|
| biimpar | ⊢ ((𝜑 ∧ 𝜒) → 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | biimpa.1 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
| 2 | 1 | biimprd 158 | . 2 ⊢ (𝜑 → (𝜒 → 𝜓)) |
| 3 | 2 | imp 124 | 1 ⊢ ((𝜑 ∧ 𝜒) → 𝜓) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: exbiri 382 bitr 472 biadanid 618 eqtr 2249 opabss 4158 euotd 4353 wetriext 4681 sosng 4805 xpsspw 4844 brcogw 4905 funimaexglem 5420 funfni 5439 fnco 5447 fnssres 5452 fn0 5459 fnimadisj 5460 fnimaeq0 5461 foco 5579 foimacnv 5610 fvelimab 5711 fvopab3ig 5729 dff3im 5800 dffo4 5803 fmptco 5821 f1eqcocnv 5942 f1ocnv2d 6237 fnexALT 6282 xp1st 6337 xp2nd 6338 tfrlemiubacc 6539 tfri2d 6545 tfr1onlemubacc 6555 tfrcllemubacc 6568 tfri3 6576 ecelqsg 6800 elqsn0m 6815 fidifsnen 7100 pr1or2 7442 recclnq 7655 nq0a0 7720 qreccl 9920 difelfzle 10414 exfzdc 10532 zsupcllemstep 10535 modifeq2int 10694 frec2uzlt2d 10712 zzlesq 11016 fihashgt0 11115 1elfz0hash 11116 lennncl 11182 wrdsymb0 11195 ccatsymb 11228 ccatlid 11232 ccatass 11234 ccatswrd 11300 swrdccat2 11301 ccatpfx 11331 swrdccatfn 11354 swrdccat 11365 caucvgrelemcau 11603 recvalap 11720 fzomaxdiflem 11735 2zsupmax 11849 2zinfmin 11866 fsumparts 12094 ntrivcvgap 12172 fsumdvds 12466 divconjdvds 12473 ndvdssub 12554 rplpwr 12661 dvdssqlem 12664 eucalgcvga 12693 mulgcddvds 12729 isprm2lem 12751 powm2modprm 12888 coprimeprodsq 12893 pythagtriplem11 12910 pythagtriplem13 12912 pcadd2 12977 4sqlem11 13037 grpidd 13529 ismndd 13583 gsumfzz 13641 gsumwmhm 13644 mulgaddcom 13796 resghm 13910 conjnsg 13931 isrngd 14030 isringd 14118 01eq0ring 14267 lspsneq0b 14506 lmodindp1 14507 znf1o 14730 psrgrp 14769 uniopn 14795 ntrval 14904 clsval 14905 neival 14937 restdis 14978 lmbrf 15009 cnpnei 15013 dviaddf 15499 dvimulf 15500 logbgt0b 15760 pellexlem2 15775 perfectlem2 15797 lgslem4 15805 lgsmod 15828 lgsdir2lem2 15831 lgsdir2 15835 lgsne0 15840 lgsmulsqcoprm 15848 lgseisenlem1 15872 2lgsoddprm 15915 2sqlem4 15920 wlk1walkdom 16283 wlkreslem 16302 |
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