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| Mirrors > Home > MPE Home > Th. List > 3anidm23 | Structured version Visualization version GIF version | ||
| Description: Inference from idempotent law for conjunction. (Contributed by NM, 1-Feb-2007.) |
| Ref | Expression |
|---|---|
| 3anidm23.1 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜓) → 𝜒) |
| Ref | Expression |
|---|---|
| 3anidm23 | ⊢ ((𝜑 ∧ 𝜓) → 𝜒) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3anidm23.1 | . . 3 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜓) → 𝜒) | |
| 2 | 1 | 3expa 1118 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜓) → 𝜒) |
| 3 | 2 | anabss3 675 | 1 ⊢ ((𝜑 ∧ 𝜓) → 𝜒) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-3an 1088 |
| This theorem is referenced by: supsn 9374 infsn 9408 grusn 10713 subeq0 11405 halfaddsub 12372 avglt2 12378 modabs2 13823 efsub 16023 sinmul 16095 divalgmod 16331 modgcd 16457 pythagtriplem4 16745 pythagtriplem16 16756 pltirr 18254 latjidm 18383 latmidm 18395 ipopos 18457 mulgmodid 19041 f1omvdcnv 19371 lsmss1 19592 rhmsubclem3 20618 zntoslem 21509 obsipid 21675 smadiadetlem2 22606 smadiadet 22612 ordtt1 23321 xmet0 24284 nmsq 25148 tcphcphlem3 25187 tcphcph 25191 grpoidinvlem1 30528 grpodivid 30566 nvmid 30683 ipidsq 30734 5oalem1 31678 3oalem2 31687 unopf1o 31940 unopnorm 31941 hmopre 31947 ballotlemfc0 34599 ballotlemfcc 34600 gcdabsorb 35893 cgr3rflx 36197 endofsegid 36228 tailini 36519 nnssi2 36598 nndivlub 36601 brin2 38562 opoccl 39393 opococ 39394 opexmid 39406 opnoncon 39407 cmtidN 39456 ltrniotaidvalN 40782 pell14qrexpclnn0 43050 rmxdbl 43123 rmydbl 43124 rhmsubcALTVlem3 48471 |
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