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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 379 bitr 463 eqtr 2157 opabss 3992 euotd 4176 wetriext 4491 sosng 4612 xpsspw 4651 brcogw 4708 funimaexglem 5206 funfni 5223 fnco 5231 fnssres 5236 fn0 5242 fnimadisj 5243 fnimaeq0 5244 foco 5355 foimacnv 5385 fvelimab 5477 fvopab3ig 5495 dff3im 5565 dffo4 5568 fmptco 5586 f1eqcocnv 5692 f1ocnv2d 5974 fnexALT 6011 xp1st 6063 xp2nd 6064 tfrlemiubacc 6227 tfri2d 6233 tfr1onlemubacc 6243 tfrcllemubacc 6256 tfri3 6264 ecelqsg 6482 elqsn0m 6497 fidifsnen 6764 recclnq 7207 nq0a0 7272 qreccl 9441 difelfzle 9918 exfzdc 10024 modifeq2int 10166 frec2uzlt2d 10184 1elfz0hash 10559 caucvgrelemcau 10759 recvalap 10876 fzomaxdiflem 10891 2zsupmax 11004 fsumparts 11246 ntrivcvgap 11324 divconjdvds 11554 ndvdssub 11634 zsupcllemstep 11645 rplpwr 11722 dvdssqlem 11725 eucalgcvga 11746 mulgcddvds 11782 isprm2lem 11804 uniopn 12178 ntrval 12289 clsval 12290 neival 12322 restdis 12363 lmbrf 12394 cnpnei 12398 dviaddf 12848 dvimulf 12849 |
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