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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 9465 infsn 9499 grusn 10889 subeq0 11584 halfaddsub 12579 avglt2 12585 modabs2 14045 efsub 16268 sinmul 16340 divalgmod 16576 modgcd 16705 pythagtriplem4 16997 pythagtriplem16 17008 pltirr 18507 latjidm 18636 latmidm 18648 ipopos 18710 mulgmodid 19323 f1omvdcnv 19658 lsmss1 19879 rhmsubclem3 20939 zntoslem 21862 obsipid 22028 smadiadetlem2 22979 smadiadet 22985 ordtt1 23697 xmet0 24661 nmsq 25515 tcphcphlem3 25554 tcphcph 25558 grpoidinvlem1 31106 grpodivid 31144 nvmid 31261 ipidsq 31312 5oalem1 32256 3oalem2 32265 unopf1o 32518 unopnorm 32519 hmopre 32525 ballotlemfc0 35167 ballotlemfcc 35168 gcdabsorb 36557 cgr3rflx 36861 endofsegid 36892 tailini 37206 nnssi2 37285 nndivlub 37288 brin2 39413 opoccl 40294 opococ 40295 opexmid 40307 opnoncon 40308 cmtidN 40357 ltrniotaidvalN 41683 pell14qrexpclnn0 43916 rmxdbl 43989 rmydbl 43990 rhmsubcALTVlem3 49423 |
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