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| Mirrors > Home > ILE Home > Th. List > mpi | GIF version | ||
| Description: A nested modus ponens inference. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Stefan Allan, 20-Mar-2006.) |
| Ref | Expression |
|---|---|
| mpi.1 | ⊢ 𝜓 |
| mpi.2 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
| Ref | Expression |
|---|---|
| mpi | ⊢ (𝜑 → 𝜒) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpi.1 | . . 3 ⊢ 𝜓 | |
| 2 | 1 | a1i 9 | . 2 ⊢ (𝜑 → 𝜓) |
| 3 | mpi.2 | . 2 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
| 4 | 2, 3 | mpd 13 | 1 ⊢ (𝜑 → 𝜒) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 |
| This theorem is referenced by: mp2 16 syl6mpi 64 mp2ani 436 pm2.24i 632 simplimdc 872 mp3an3 1367 3impexpbicom 1488 mpisyl 1496 equcomi 1756 equsex 1780 equsexd 1782 spimt 1789 spimeh 1792 equvini 1811 equveli 1812 sbcof2 1863 dveeq2 1868 ax11v2 1873 ax16i 1911 pm13.183 2964 euxfr2dc 3011 sbcth 3065 sbcth2 3140 ssun3 3394 ssun4 3395 ralf0 3627 exmidexmid 4328 rext 4350 exss 4362 uniopel 4392 onsucelsucexmid 4672 suc11g 4699 eunex 4703 ordsoexmid 4704 tfisi 4729 finds1 4744 omsinds 4764 relop 4925 dmrnssfld 5040 iss 5104 relcoi1 5314 nfunv 5405 funimass2 5454 fvssunirng 5705 fvmptg 5775 oprabidlem 6106 elovmpo 6278 tfrlem1 6569 oaword1 6734 modom 7098 0domg 7127 1ndom2 7156 diffifi 7188 exmidpw 7205 djulclb 7385 0ct 7437 iftrueb01 7572 nlt1pig 7698 dmaddpq 7736 dmmulpq 7737 archnqq 7774 prarloclemarch2 7776 prarloclemlt 7850 cnegex 8494 nnge1 9306 zneo 9726 resq01 11073 fsum2d 12180 fsumabs 12210 fsumiun 12222 fprod2d 12368 efne0 12423 nn0o1gt2 12650 ennnfonelemex 13283 qtopbasss 15545 ivthdichlem 15675 dvmptfsum 15749 reeff1o 15797 coseq0negpitopi 15860 cos02pilt1 15875 logltb 15898 pellexlem3 16007 gausslemma2dlem0i 16090 2lgs 16137 bdop 16815 bj-nntrans 16891 exmidcon 16950 |
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