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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 7957 muladd11 8460 negsub 8575 subneg 8576 ltaddneg 8753 muleqadd 9000 diveqap1 9037 conjmulap 9061 nnsub 9345 addltmul 9546 zltp1le 9703 gtndiv 9745 eluzp1m1 9955 xnn0le2is012 10278 divelunit 10414 fznatpl1 10493 flqbi2 10739 flqdiv 10771 frecfzen2 10877 nn0ennn 10883 seqshft2g 10932 seqf1oglem1 10969 faclbnd3 11195 ccatrid 11389 shftfvalg 11597 ovshftex 11598 shftfval 11600 abs2dif 11887 cos2t 12533 sin01gt0 12545 cos01gt0 12546 demoivre 12556 demoivreALT 12557 omeo 12681 gcd0id 12772 sqgcd 12822 isprm3 12912 eulerthlemth 13030 pczpre 13096 pcrec 13107 setscom 13441 setsslid 13452 setsslnid 13453 mulgm1 13994 abssinper 15997 ppiqub 16194 bposlem2 16210 lgs1 16261 |
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