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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 616 eqtr 2247 opabss 4151 euotd 4345 wetriext 4673 sosng 4797 xpsspw 4836 brcogw 4897 funimaexglem 5410 funfni 5429 fnco 5437 fnssres 5442 fn0 5449 fnimadisj 5450 fnimaeq0 5451 foco 5567 foimacnv 5598 fvelimab 5698 fvopab3ig 5716 dff3im 5788 dffo4 5791 fmptco 5809 f1eqcocnv 5927 f1ocnv2d 6222 fnexALT 6268 xp1st 6323 xp2nd 6324 tfrlemiubacc 6491 tfri2d 6497 tfr1onlemubacc 6507 tfrcllemubacc 6520 tfri3 6528 ecelqsg 6752 elqsn0m 6767 fidifsnen 7052 pr1or2 7390 recclnq 7602 nq0a0 7667 qreccl 9866 difelfzle 10359 exfzdc 10476 zsupcllemstep 10479 modifeq2int 10638 frec2uzlt2d 10656 zzlesq 10960 fihashgt0 11059 1elfz0hash 11060 lennncl 11123 wrdsymb0 11136 ccatsymb 11169 ccatlid 11173 ccatass 11175 ccatswrd 11241 swrdccat2 11242 ccatpfx 11272 swrdccatfn 11295 swrdccat 11306 caucvgrelemcau 11531 recvalap 11648 fzomaxdiflem 11663 2zsupmax 11777 2zinfmin 11794 fsumparts 12021 ntrivcvgap 12099 fsumdvds 12393 divconjdvds 12400 ndvdssub 12481 rplpwr 12588 dvdssqlem 12591 eucalgcvga 12620 mulgcddvds 12656 isprm2lem 12678 powm2modprm 12815 coprimeprodsq 12820 pythagtriplem11 12837 pythagtriplem13 12839 pcadd2 12904 4sqlem11 12964 grpidd 13456 ismndd 13510 gsumfzz 13568 gsumwmhm 13571 mulgaddcom 13723 resghm 13837 conjnsg 13858 isrngd 13956 isringd 14044 01eq0ring 14193 lspsneq0b 14431 lmodindp1 14432 znf1o 14655 psrgrp 14689 uniopn 14715 ntrval 14824 clsval 14825 neival 14857 restdis 14898 lmbrf 14929 cnpnei 14933 dviaddf 15419 dvimulf 15420 logbgt0b 15680 perfectlem2 15714 lgslem4 15722 lgsmod 15745 lgsdir2lem2 15748 lgsdir2 15752 lgsne0 15757 lgsmulsqcoprm 15765 lgseisenlem1 15789 2lgsoddprm 15832 2sqlem4 15837 wlk1walkdom 16156 wlkreslem 16173 |
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