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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 157 | . 2 ⊢ (𝜑 → (𝜒 → 𝜓)) |
3 | 2 | imp 123 | 1 ⊢ ((𝜑 ∧ 𝜒) → 𝜓) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ↔ wb 104 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: exbiri 380 bitr 464 eqtr 2158 opabss 4000 euotd 4184 wetriext 4499 sosng 4620 xpsspw 4659 brcogw 4716 funimaexglem 5214 funfni 5231 fnco 5239 fnssres 5244 fn0 5250 fnimadisj 5251 fnimaeq0 5252 foco 5363 foimacnv 5393 fvelimab 5485 fvopab3ig 5503 dff3im 5573 dffo4 5576 fmptco 5594 f1eqcocnv 5700 f1ocnv2d 5982 fnexALT 6019 xp1st 6071 xp2nd 6072 tfrlemiubacc 6235 tfri2d 6241 tfr1onlemubacc 6251 tfrcllemubacc 6264 tfri3 6272 ecelqsg 6490 elqsn0m 6505 fidifsnen 6772 recclnq 7224 nq0a0 7289 qreccl 9461 difelfzle 9942 exfzdc 10048 modifeq2int 10190 frec2uzlt2d 10208 1elfz0hash 10584 caucvgrelemcau 10784 recvalap 10901 fzomaxdiflem 10916 2zsupmax 11029 fsumparts 11271 ntrivcvgap 11349 divconjdvds 11583 ndvdssub 11663 zsupcllemstep 11674 rplpwr 11751 dvdssqlem 11754 eucalgcvga 11775 mulgcddvds 11811 isprm2lem 11833 uniopn 12207 ntrval 12318 clsval 12319 neival 12351 restdis 12392 lmbrf 12423 cnpnei 12427 dviaddf 12877 dvimulf 12878 logbgt0b 13091 |
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