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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 4153 euotd 4347 wetriext 4675 sosng 4799 xpsspw 4838 brcogw 4899 funimaexglem 5413 funfni 5432 fnco 5440 fnssres 5445 fn0 5452 fnimadisj 5453 fnimaeq0 5454 foco 5570 foimacnv 5601 fvelimab 5702 fvopab3ig 5720 dff3im 5792 dffo4 5795 fmptco 5813 f1eqcocnv 5931 f1ocnv2d 6226 fnexALT 6272 xp1st 6327 xp2nd 6328 tfrlemiubacc 6495 tfri2d 6501 tfr1onlemubacc 6511 tfrcllemubacc 6524 tfri3 6532 ecelqsg 6756 elqsn0m 6771 fidifsnen 7056 pr1or2 7398 recclnq 7611 nq0a0 7676 qreccl 9875 difelfzle 10368 exfzdc 10485 zsupcllemstep 10488 modifeq2int 10647 frec2uzlt2d 10665 zzlesq 10969 fihashgt0 11068 1elfz0hash 11069 lennncl 11132 wrdsymb0 11145 ccatsymb 11178 ccatlid 11182 ccatass 11184 ccatswrd 11250 swrdccat2 11251 ccatpfx 11281 swrdccatfn 11304 swrdccat 11315 caucvgrelemcau 11540 recvalap 11657 fzomaxdiflem 11672 2zsupmax 11786 2zinfmin 11803 fsumparts 12030 ntrivcvgap 12108 fsumdvds 12402 divconjdvds 12409 ndvdssub 12490 rplpwr 12597 dvdssqlem 12600 eucalgcvga 12629 mulgcddvds 12665 isprm2lem 12687 powm2modprm 12824 coprimeprodsq 12829 pythagtriplem11 12846 pythagtriplem13 12848 pcadd2 12913 4sqlem11 12973 grpidd 13465 ismndd 13519 gsumfzz 13577 gsumwmhm 13580 mulgaddcom 13732 resghm 13846 conjnsg 13867 isrngd 13965 isringd 14053 01eq0ring 14202 lspsneq0b 14440 lmodindp1 14441 znf1o 14664 psrgrp 14698 uniopn 14724 ntrval 14833 clsval 14834 neival 14866 restdis 14907 lmbrf 14938 cnpnei 14942 dviaddf 15428 dvimulf 15429 logbgt0b 15689 perfectlem2 15723 lgslem4 15731 lgsmod 15754 lgsdir2lem2 15757 lgsdir2 15761 lgsne0 15766 lgsmulsqcoprm 15774 lgseisenlem1 15798 2lgsoddprm 15841 2sqlem4 15846 wlk1walkdom 16209 wlkreslem 16228 |
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