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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 1135 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜓) → 𝜒) |
| 3 | 2 | anabss3 687 | 1 ⊢ ((𝜑 ∧ 𝜓) → 𝜒) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 ∧ w3a 1102 |
| 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 401 df-3an 1104 |
| This theorem is used by: supsn 9431 infsn 9465 grusn 10795 subeq0 11490 halfaddsub 12483 avglt2 12489 modabs2 13945 efsub 16162 sinmul 16234 divalgmod 16470 modgcd 16596 pythagtriplem4 16885 pythagtriplem16 16896 pltirr 18395 latjidm 18524 latmidm 18536 ipopos 18598 mulgmodid 19185 f1omvdcnv 19520 lsmss1 19741 rhmsubclem3 20797 zntoslem 21717 obsipid 21883 smadiadetlem2 22832 smadiadet 22838 ordtt1 23547 xmet0 24510 nmsq 25364 tcphcphlem3 25403 tcphcph 25407 grpoidinvlem1 30867 grpodivid 30905 nvmid 31022 ipidsq 31073 5oalem1 32017 3oalem2 32026 unopf1o 32279 unopnorm 32280 hmopre 32286 ballotlemfc0 34892 ballotlemfcc 34893 gcdabsorb 36250 cgr3rflx 36554 endofsegid 36585 tailini 36915 nnssi2 36994 nndivlub 36997 brin2 39115 opoccl 39996 opococ 39997 opexmid 40009 opnoncon 40010 cmtidN 40059 ltrniotaidvalN 41385 pell14qrexpclnn0 43621 rmxdbl 43694 rmydbl 43695 rhmsubcALTVlem3 49076 |
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