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| Mirrors > Home > ILE Home > Th. List > 3com23 | GIF version | ||
| Description: Commutation in antecedent. Swap 2nd and 3rd. (Contributed by NM, 28-Jan-1996.) |
| Ref | Expression |
|---|---|
| 3exp.1 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) |
| Ref | Expression |
|---|---|
| 3com23 | ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜓) → 𝜃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3exp.1 | . . . 4 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) | |
| 2 | 1 | 3exp 1233 | . . 3 ⊢ (𝜑 → (𝜓 → (𝜒 → 𝜃))) |
| 3 | 2 | com23 78 | . 2 ⊢ (𝜑 → (𝜒 → (𝜓 → 𝜃))) |
| 4 | 3 | 3imp 1224 | 1 ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜓) → 𝜃) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1009 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This proof depends on definitions: df-bi 117 df-3an 1011 |
| This theorem is used by: 3coml 1241 syld3an2 1325 3anidm13 1337 eqreu 3018 f1ofveu 6073 acexmid 6084 dfsmo2 6558 f1oeng 7043 ctssdc 7453 ltexprlemdisj 7973 ltexprlemfu 7978 recexprlemss1u 8003 mul32 8456 add32 8485 cnegexlem2 8502 subsub23 8531 subadd23 8538 addsub12 8539 subsub 8556 subsub3 8558 sub32 8560 suble 8768 lesub 8769 ltsub23 8770 ltsub13 8771 ltleadd 8774 div32ap 9022 div13ap 9023 div12ap 9024 divdiv32ap 9050 cju 9291 icc0r 10328 fzen 10447 elfz1b 10497 ioo0 10694 ico0 10696 ioc0 10697 expgt0 11009 expge0 11012 expge1 11013 shftval2 11591 abs3dif 11871 divalgb 12692 nnwodc 12813 ctinf 13321 grpinvcnv 13873 mulgaddcom 13949 mulgneg2 13959 srgrmhm 14298 ringcom 14336 mulgass2 14363 opprrng 14382 opprring 14384 unitmulcl 14420 islmodd 14629 lmodcom 14670 rmodislmod 14688 restin 15277 cnpnei 15320 cnptoprest 15340 psmetsym 15430 xmetsym 15469 |
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