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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 626 simplimdc 865 mp3an3 1360 3impexpbicom 1481 mpisyl 1489 equcomi 1750 equsex 1774 equsexd 1775 spimt 1782 spimeh 1785 equvini 1804 equveli 1805 sbcof2 1856 dveeq2 1861 ax11v2 1866 ax16i 1904 pm13.183 2941 euxfr2dc 2988 sbcth 3042 sbcth2 3117 ssun3 3369 ssun4 3370 ralf0 3594 exmidexmid 4280 rext 4301 exss 4313 uniopel 4343 onsucelsucexmid 4622 suc11g 4649 eunex 4653 ordsoexmid 4654 tfisi 4679 finds1 4694 omsinds 4714 relop 4872 dmrnssfld 4987 iss 5051 relcoi1 5260 nfunv 5351 funimass2 5399 fvssunirng 5644 fvmptg 5712 oprabidlem 6038 elovmpo 6210 tfrlem1 6460 oaword1 6625 0domg 7006 1ndom2 7034 diffifi 7064 exmidpw 7081 djulclb 7233 0ct 7285 iftrueb01 7419 nlt1pig 7539 dmaddpq 7577 dmmulpq 7578 archnqq 7615 prarloclemarch2 7617 prarloclemlt 7691 cnegex 8335 nnge1 9144 zneo 9559 fsum2d 11961 fsumabs 11991 fsumiun 12003 fprod2d 12149 efne0 12204 nn0o1gt2 12431 ennnfonelemex 13000 qtopbasss 15210 ivthdichlem 15340 dvmptfsum 15414 reeff1o 15462 coseq0negpitopi 15525 cos02pilt1 15540 logltb 15563 gausslemma2dlem0i 15751 2lgs 15798 bdop 16293 bj-nntrans 16369 |
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