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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 6049 elovmpo 6221 tfrlem1 6474 oaword1 6639 modom 6994 0domg 7023 1ndom2 7051 diffifi 7083 exmidpw 7100 djulclb 7254 0ct 7306 iftrueb01 7441 nlt1pig 7561 dmaddpq 7599 dmmulpq 7600 archnqq 7637 prarloclemarch2 7639 prarloclemlt 7713 cnegex 8357 nnge1 9166 zneo 9581 fsum2d 11997 fsumabs 12027 fsumiun 12039 fprod2d 12185 efne0 12240 nn0o1gt2 12467 ennnfonelemex 13036 qtopbasss 15247 ivthdichlem 15377 dvmptfsum 15451 reeff1o 15499 coseq0negpitopi 15562 cos02pilt1 15577 logltb 15600 gausslemma2dlem0i 15788 2lgs 15835 bdop 16473 bj-nntrans 16549 |
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