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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 2252 opabss 4179 euotd 4376 wetriext 4704 sosng 4828 xpsspw 4867 brcogw 4929 funimaexglem 5444 funfni 5463 fnco 5471 fnssres 5476 fn0 5483 fnimadisj 5484 fnimaeq0 5485 foco 5606 foimacnv 5637 fvelimab 5738 fvopab3ig 5756 dff3im 5827 dffo4 5830 fmptco 5848 f1eqcocnv 5970 f1ocnv2d 6267 f1o3d 6271 fnexALT 6313 elabreximd 6329 xp1st 6372 xp2nd 6373 tfrlemiubacc 6574 tfri2d 6580 tfr1onlemubacc 6590 tfrcllemubacc 6603 tfri3 6611 ecelqsg 6835 elqsn0m 6850 fidifsnen 7138 pr1or2 7504 recclnq 7723 nq0a0 7788 qreccl 9992 difelfzle 10490 exfzdc 10608 zsupcllemstep 10611 modifeq2int 10772 frec2uzlt2d 10790 zzlesq 11095 fihashgt0 11195 1elfz0hash 11196 lennncl 11269 wrdsymb0 11282 ccatsymb 11315 ccatlid 11319 ccatass 11321 ccatswrd 11387 swrdccat2 11388 ccatpfx 11418 swrdccatfn 11441 swrdccat 11452 caucvgrelemcau 11690 recvalap 11807 fzomaxdiflem 11822 2zsupmax 11936 2zinfmin 11953 fsumparts 12181 ntrivcvgap 12259 fsumdvds 12553 divconjdvds 12560 ndvdssub 12641 rplpwr 12748 dvdssqlem 12751 eucalgcvga 12780 mulgcddvds 12816 isprm2lem 12838 powm2modprm 12975 coprimeprodsq 12980 pythagtriplem11 12997 pythagtriplem13 12999 pcadd2 13064 4sqlem11 13124 grpidd 13646 ismndd 13698 gsumfzz 13750 gsumwmhm 13753 mulgaddcom 13899 resghm 14013 conjnsg 14034 isrngd 14192 isringd 14284 01eq0ring 14434 lspsneq0b 14701 lmodindp1 14702 znf1o 14925 psrgrp 14966 uniopn 14992 ntrval 15101 clsval 15102 neival 15134 restdis 15175 lmbrf 15206 cnpnei 15210 dviaddf 15696 dvimulf 15697 logbgt0b 15957 pellexlem2 15972 perfectlem2 15994 lgslem4 16002 lgsmod 16025 lgsdir2lem2 16028 lgsdir2 16032 lgsne0 16037 lgsmulsqcoprm 16045 lgseisenlem1 16069 2lgsoddprm 16112 2sqlem4 16117 wlk1walkdom 16480 wlkreslem 16499 |
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