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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 9446 infsn 9480 grusn 10816 subeq0 11511 halfaddsub 12504 avglt2 12510 modabs2 13968 efsub 16192 sinmul 16264 divalgmod 16500 modgcd 16626 pythagtriplem4 16915 pythagtriplem16 16926 pltirr 18425 latjidm 18554 latmidm 18566 ipopos 18628 mulgmodid 19237 f1omvdcnv 19572 lsmss1 19793 rhmsubclem3 20850 zntoslem 21770 obsipid 21936 smadiadetlem2 22887 smadiadet 22893 ordtt1 23605 xmet0 24569 nmsq 25423 tcphcphlem3 25462 tcphcph 25466 grpoidinvlem1 30971 grpodivid 31009 nvmid 31126 ipidsq 31177 5oalem1 32121 3oalem2 32130 unopf1o 32383 unopnorm 32384 hmopre 32390 ballotlemfc0 34991 ballotlemfcc 34992 gcdabsorb 36316 cgr3rflx 36621 endofsegid 36652 tailini 36982 nnssi2 37061 nndivlub 37064 brin2 39173 opoccl 40054 opococ 40055 opexmid 40067 opnoncon 40068 cmtidN 40117 ltrniotaidvalN 41443 pell14qrexpclnn0 43694 rmxdbl 43767 rmydbl 43768 rhmsubcALTVlem3 49185 |
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