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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 868 mp3an3 1363 3impexpbicom 1484 mpisyl 1492 equcomi 1752 equsex 1776 equsexd 1777 spimt 1784 spimeh 1787 equvini 1806 equveli 1807 sbcof2 1858 dveeq2 1863 ax11v2 1868 ax16i 1906 pm13.183 2945 euxfr2dc 2992 sbcth 3046 sbcth2 3121 ssun3 3374 ssun4 3375 ralf0 3599 exmidexmid 4292 rext 4313 exss 4325 uniopel 4355 onsucelsucexmid 4634 suc11g 4661 eunex 4665 ordsoexmid 4666 tfisi 4691 finds1 4706 omsinds 4726 relop 4886 dmrnssfld 5001 iss 5065 relcoi1 5275 nfunv 5366 funimass2 5415 fvssunirng 5663 fvmptg 5731 oprabidlem 6059 elovmpo 6231 tfrlem1 6517 oaword1 6682 modom 7037 0domg 7066 1ndom2 7094 diffifi 7126 exmidpw 7143 djulclb 7297 0ct 7349 iftrueb01 7484 nlt1pig 7604 dmaddpq 7642 dmmulpq 7643 archnqq 7680 prarloclemarch2 7682 prarloclemlt 7756 cnegex 8399 nnge1 9208 zneo 9625 fsum2d 12059 fsumabs 12089 fsumiun 12101 fprod2d 12247 efne0 12302 nn0o1gt2 12529 ennnfonelemex 13098 qtopbasss 15315 ivthdichlem 15445 dvmptfsum 15519 reeff1o 15567 coseq0negpitopi 15630 cos02pilt1 15645 logltb 15668 pellexlem3 15776 gausslemma2dlem0i 15859 2lgs 15906 bdop 16574 bj-nntrans 16650 exmidcon 16711 |
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