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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 2250 opabss 4174 euotd 4371 wetriext 4699 sosng 4823 xpsspw 4862 brcogw 4924 funimaexglem 5439 funfni 5458 fnco 5466 fnssres 5471 fn0 5478 fnimadisj 5479 fnimaeq0 5480 foco 5601 foimacnv 5632 fvelimab 5733 fvopab3ig 5751 dff3im 5822 dffo4 5825 fmptco 5843 f1eqcocnv 5964 f1ocnv2d 6259 fnexALT 6304 xp1st 6359 xp2nd 6360 tfrlemiubacc 6561 tfri2d 6567 tfr1onlemubacc 6577 tfrcllemubacc 6590 tfri3 6598 ecelqsg 6822 elqsn0m 6837 fidifsnen 7125 pr1or2 7491 recclnq 7707 nq0a0 7772 qreccl 9974 difelfzle 10468 exfzdc 10586 zsupcllemstep 10589 modifeq2int 10748 frec2uzlt2d 10766 zzlesq 11070 fihashgt0 11170 1elfz0hash 11171 lennncl 11244 wrdsymb0 11257 ccatsymb 11290 ccatlid 11294 ccatass 11296 ccatswrd 11362 swrdccat2 11363 ccatpfx 11393 swrdccatfn 11416 swrdccat 11427 caucvgrelemcau 11665 recvalap 11782 fzomaxdiflem 11797 2zsupmax 11911 2zinfmin 11928 fsumparts 12156 ntrivcvgap 12234 fsumdvds 12528 divconjdvds 12535 ndvdssub 12616 rplpwr 12723 dvdssqlem 12726 eucalgcvga 12755 mulgcddvds 12791 isprm2lem 12813 powm2modprm 12950 coprimeprodsq 12955 pythagtriplem11 12972 pythagtriplem13 12974 pcadd2 13039 4sqlem11 13099 grpidd 13596 ismndd 13650 gsumfzz 13708 gsumwmhm 13711 mulgaddcom 13863 resghm 13977 conjnsg 13998 isrngd 14097 isringd 14185 01eq0ring 14334 lspsneq0b 14575 lmodindp1 14576 znf1o 14799 psrgrp 14840 uniopn 14866 ntrval 14975 clsval 14976 neival 15008 restdis 15049 lmbrf 15080 cnpnei 15084 dviaddf 15570 dvimulf 15571 logbgt0b 15831 pellexlem2 15846 perfectlem2 15868 lgslem4 15876 lgsmod 15899 lgsdir2lem2 15902 lgsdir2 15906 lgsne0 15911 lgsmulsqcoprm 15919 lgseisenlem1 15943 2lgsoddprm 15986 2sqlem4 15991 wlk1walkdom 16354 wlkreslem 16373 |
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