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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 9443 infsn 9477 grusn 10860 subeq0 11555 halfaddsub 12548 avglt2 12554 modabs2 14013 efsub 16235 sinmul 16307 divalgmod 16543 modgcd 16669 pythagtriplem4 16958 pythagtriplem16 16969 pltirr 18468 latjidm 18597 latmidm 18609 ipopos 18671 mulgmodid 19284 f1omvdcnv 19619 lsmss1 19840 rhmsubclem3 20900 zntoslem 21823 obsipid 21989 smadiadetlem2 22940 smadiadet 22946 ordtt1 23658 xmet0 24622 nmsq 25476 tcphcphlem3 25515 tcphcph 25519 grpoidinvlem1 31039 grpodivid 31077 nvmid 31194 ipidsq 31245 5oalem1 32189 3oalem2 32198 unopf1o 32451 unopnorm 32452 hmopre 32458 ballotlemfc0 35059 ballotlemfcc 35060 gcdabsorb 36436 cgr3rflx 36741 endofsegid 36772 tailini 37086 nnssi2 37165 nndivlub 37168 brin2 39290 opoccl 40171 opococ 40172 opexmid 40184 opnoncon 40185 cmtidN 40234 ltrniotaidvalN 41560 pell14qrexpclnn0 43811 rmxdbl 43884 rmydbl 43885 rhmsubcALTVlem3 49302 |
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