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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 432 pm2.24i 628 simplimdc 867 mp3an3 1362 3impexpbicom 1483 mpisyl 1491 equcomi 1752 equsex 1776 equsexd 1777 spimt 1784 spimeh 1787 equvini 1806 equveli 1807 sbcof2 1858 dveeq2 1863 ax11v2 1868 ax16i 1906 pm13.183 2944 euxfr2dc 2991 sbcth 3045 sbcth2 3120 ssun3 3372 ssun4 3373 ralf0 3597 exmidexmid 4286 rext 4307 exss 4319 uniopel 4349 onsucelsucexmid 4628 suc11g 4655 eunex 4659 ordsoexmid 4660 tfisi 4685 finds1 4700 omsinds 4720 relop 4880 dmrnssfld 4995 iss 5059 relcoi1 5268 nfunv 5359 funimass2 5408 fvssunirng 5654 fvmptg 5722 oprabidlem 6048 elovmpo 6220 tfrlem1 6473 oaword1 6638 modom 6993 0domg 7022 1ndom2 7050 diffifi 7082 exmidpw 7099 djulclb 7253 0ct 7305 iftrueb01 7440 nlt1pig 7560 dmaddpq 7598 dmmulpq 7599 archnqq 7636 prarloclemarch2 7638 prarloclemlt 7712 cnegex 8356 nnge1 9165 zneo 9580 fsum2d 11995 fsumabs 12025 fsumiun 12037 fprod2d 12183 efne0 12238 nn0o1gt2 12465 ennnfonelemex 13034 qtopbasss 15244 ivthdichlem 15374 dvmptfsum 15448 reeff1o 15496 coseq0negpitopi 15559 cos02pilt1 15574 logltb 15597 gausslemma2dlem0i 15785 2lgs 15832 bdop 16470 bj-nntrans 16546 |
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