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| Mirrors > Home > ILE Home > Th. List > mp3an2 | GIF version | ||
| Description: An inference based on modus ponens. (Contributed by NM, 21-Nov-1994.) |
| Ref | Expression |
|---|---|
| mp3an2.1 | ⊢ 𝜓 |
| mp3an2.2 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) |
| Ref | Expression |
|---|---|
| mp3an2 | ⊢ ((𝜑 ∧ 𝜒) → 𝜃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mp3an2.1 | . 2 ⊢ 𝜓 | |
| 2 | mp3an2.2 | . . 3 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) | |
| 3 | 2 | 3expa 1234 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
| 4 | 1, 3 | mpanl2 439 | 1 ⊢ ((𝜑 ∧ 𝜒) → 𝜃) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 ∧ 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: mp3anl2 1373 ordin 4530 ordsuc 4710 omv 6728 oeiv 6729 omv2 6738 1idprl 7958 muladd11 8461 negsub 8576 subneg 8577 ltaddneg 8754 muleqadd 9001 diveqap1 9038 conjmulap 9062 nnsub 9346 addltmul 9547 zltp1le 9704 gtndiv 9746 eluzp1m1 9956 xnn0le2is012 10279 divelunit 10415 fznatpl1 10494 flqbi2 10741 flqdiv 10773 frecfzen2 10879 nn0ennn 10885 seqshft2g 10934 seqf1oglem1 10971 faclbnd3 11197 ccatrid 11391 shftfvalg 11599 ovshftex 11600 shftfval 11602 abs2dif 11889 cos2t 12536 sin01gt0 12548 cos01gt0 12549 demoivre 12559 demoivreALT 12560 omeo 12684 gcd0id 12775 sqgcd 12825 isprm3 12915 eulerthlemth 13033 pczpre 13099 pcrec 13110 setscom 13444 setsslid 13455 setsslnid 13456 mulgm1 13998 abssinper 16039 ppiqub 16254 chtqub 16257 bposlem2 16273 lgs1 16329 |
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