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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 4148 euotd 4341 wetriext 4669 sosng 4792 xpsspw 4831 brcogw 4891 funimaexglem 5404 funfni 5423 fnco 5431 fnssres 5436 fn0 5443 fnimadisj 5444 fnimaeq0 5445 foco 5561 foimacnv 5592 fvelimab 5692 fvopab3ig 5710 dff3im 5782 dffo4 5785 fmptco 5803 f1eqcocnv 5921 f1ocnv2d 6216 fnexALT 6262 xp1st 6317 xp2nd 6318 tfrlemiubacc 6482 tfri2d 6488 tfr1onlemubacc 6498 tfrcllemubacc 6511 tfri3 6519 ecelqsg 6743 elqsn0m 6758 fidifsnen 7040 pr1or2 7378 recclnq 7590 nq0a0 7655 qreccl 9849 difelfzle 10342 exfzdc 10458 zsupcllemstep 10461 modifeq2int 10620 frec2uzlt2d 10638 zzlesq 10942 fihashgt0 11040 1elfz0hash 11041 lennncl 11104 wrdsymb0 11117 ccatsymb 11150 ccatlid 11154 ccatass 11156 ccatswrd 11217 swrdccat2 11218 ccatpfx 11248 swrdccatfn 11271 swrdccat 11282 caucvgrelemcau 11506 recvalap 11623 fzomaxdiflem 11638 2zsupmax 11752 2zinfmin 11769 fsumparts 11996 ntrivcvgap 12074 fsumdvds 12368 divconjdvds 12375 ndvdssub 12456 rplpwr 12563 dvdssqlem 12566 eucalgcvga 12595 mulgcddvds 12631 isprm2lem 12653 powm2modprm 12790 coprimeprodsq 12795 pythagtriplem11 12812 pythagtriplem13 12814 pcadd2 12879 4sqlem11 12939 grpidd 13431 ismndd 13485 gsumfzz 13543 gsumwmhm 13546 mulgaddcom 13698 resghm 13812 conjnsg 13833 isrngd 13931 isringd 14019 01eq0ring 14168 lspsneq0b 14406 lmodindp1 14407 znf1o 14630 psrgrp 14664 uniopn 14690 ntrval 14799 clsval 14800 neival 14832 restdis 14873 lmbrf 14904 cnpnei 14908 dviaddf 15394 dvimulf 15395 logbgt0b 15655 perfectlem2 15689 lgslem4 15697 lgsmod 15720 lgsdir2lem2 15723 lgsdir2 15727 lgsne0 15732 lgsmulsqcoprm 15740 lgseisenlem1 15764 2lgsoddprm 15807 2sqlem4 15812 wlk1walkdom 16100 wlkreslem 16117 |
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