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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 10486 zsupcllemstep 10489 modifeq2int 10648 frec2uzlt2d 10666 zzlesq 10970 fihashgt0 11069 1elfz0hash 11070 lennncl 11133 wrdsymb0 11146 ccatsymb 11179 ccatlid 11183 ccatass 11185 ccatswrd 11251 swrdccat2 11252 ccatpfx 11282 swrdccatfn 11305 swrdccat 11316 caucvgrelemcau 11541 recvalap 11658 fzomaxdiflem 11673 2zsupmax 11787 2zinfmin 11804 fsumparts 12032 ntrivcvgap 12110 fsumdvds 12404 divconjdvds 12411 ndvdssub 12492 rplpwr 12599 dvdssqlem 12602 eucalgcvga 12631 mulgcddvds 12667 isprm2lem 12689 powm2modprm 12826 coprimeprodsq 12831 pythagtriplem11 12848 pythagtriplem13 12850 pcadd2 12915 4sqlem11 12975 grpidd 13467 ismndd 13521 gsumfzz 13579 gsumwmhm 13582 mulgaddcom 13734 resghm 13848 conjnsg 13869 isrngd 13968 isringd 14056 01eq0ring 14205 lspsneq0b 14443 lmodindp1 14444 znf1o 14667 psrgrp 14701 uniopn 14727 ntrval 14836 clsval 14837 neival 14869 restdis 14910 lmbrf 14941 cnpnei 14945 dviaddf 15431 dvimulf 15432 logbgt0b 15692 perfectlem2 15726 lgslem4 15734 lgsmod 15757 lgsdir2lem2 15760 lgsdir2 15764 lgsne0 15769 lgsmulsqcoprm 15777 lgseisenlem1 15801 2lgsoddprm 15844 2sqlem4 15849 wlk1walkdom 16212 wlkreslem 16231 |
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