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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 5932 f1ocnv2d 6227 fnexALT 6273 xp1st 6328 xp2nd 6329 tfrlemiubacc 6496 tfri2d 6502 tfr1onlemubacc 6512 tfrcllemubacc 6525 tfri3 6533 ecelqsg 6757 elqsn0m 6772 fidifsnen 7057 pr1or2 7399 recclnq 7612 nq0a0 7677 qreccl 9876 difelfzle 10369 exfzdc 10487 zsupcllemstep 10490 modifeq2int 10649 frec2uzlt2d 10667 zzlesq 10971 fihashgt0 11070 1elfz0hash 11071 lennncl 11137 wrdsymb0 11150 ccatsymb 11183 ccatlid 11187 ccatass 11189 ccatswrd 11255 swrdccat2 11256 ccatpfx 11286 swrdccatfn 11309 swrdccat 11320 caucvgrelemcau 11558 recvalap 11675 fzomaxdiflem 11690 2zsupmax 11804 2zinfmin 11821 fsumparts 12049 ntrivcvgap 12127 fsumdvds 12421 divconjdvds 12428 ndvdssub 12509 rplpwr 12616 dvdssqlem 12619 eucalgcvga 12648 mulgcddvds 12684 isprm2lem 12706 powm2modprm 12843 coprimeprodsq 12848 pythagtriplem11 12865 pythagtriplem13 12867 pcadd2 12932 4sqlem11 12992 grpidd 13484 ismndd 13538 gsumfzz 13596 gsumwmhm 13599 mulgaddcom 13751 resghm 13865 conjnsg 13886 isrngd 13985 isringd 14073 01eq0ring 14222 lspsneq0b 14460 lmodindp1 14461 znf1o 14684 psrgrp 14718 uniopn 14744 ntrval 14853 clsval 14854 neival 14886 restdis 14927 lmbrf 14958 cnpnei 14962 dviaddf 15448 dvimulf 15449 logbgt0b 15709 perfectlem2 15743 lgslem4 15751 lgsmod 15774 lgsdir2lem2 15777 lgsdir2 15781 lgsne0 15786 lgsmulsqcoprm 15794 lgseisenlem1 15818 2lgsoddprm 15861 2sqlem4 15866 wlk1walkdom 16229 wlkreslem 16248 |
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