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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 1136 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜓) → 𝜒) |
| 3 | 2 | anabss3 688 | 1 ⊢ ((𝜑 ∧ 𝜓) → 𝜒) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 df-an 402 df-3an 1105 |
| This theorem is used by: supsn 9492 infsn 9526 grusn 10916 subeq0 11611 halfaddsub 12606 avglt2 12612 modabs2 14072 efsub 16297 sinmul 16369 divalgmod 16605 modgcd 16734 pythagtriplem4 17026 pythagtriplem16 17037 pltirr 18536 latjidm 18665 latmidm 18677 ipopos 18739 mulgmodid 19352 f1omvdcnv 19688 lsmss1 19909 rhmsubclem3 20969 zntoslem 21892 obsipid 22058 smadiadetlem2 23009 smadiadet 23015 ordtt1 23727 xmet0 24691 nmsq 25545 tcphcphlem3 25584 tcphcph 25588 grpoidinvlem1 31136 grpodivid 31174 nvmid 31291 ipidsq 31342 5oalem1 32286 3oalem2 32295 unopf1o 32548 unopnorm 32549 hmopre 32555 ballotlemfc0 35195 ballotlemfcc 35196 maxssj0 36006 gcdabsorb 36693 cgr3rflx 36997 endofsegid 37028 tailini 37342 nnssi2 37421 nndivlub 37424 brin2 39562 opoccl 40443 opococ 40444 opexmid 40456 opnoncon 40457 cmtidN 40506 ltrniotaidvalN 41832 pell14qrexpclnn0 44066 rmxdbl 44139 rmydbl 44140 rhmsubcALTVlem3 49585 |
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