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| Mirrors > Home > ILE Home > Th. List > mpand | GIF version | ||
| Description: A deduction based on modus ponens. (Contributed by NM, 12-Dec-2004.) (Proof shortened by Wolf Lammen, 7-Apr-2013.) |
| Ref | Expression |
|---|---|
| mpand.1 | ⊢ (𝜑 → 𝜓) |
| mpand.2 | ⊢ (𝜑 → ((𝜓 ∧ 𝜒) → 𝜃)) |
| Ref | Expression |
|---|---|
| mpand | ⊢ (𝜑 → (𝜒 → 𝜃)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpand.1 | . 2 ⊢ (𝜑 → 𝜓) | |
| 2 | mpand.2 | . . 3 ⊢ (𝜑 → ((𝜓 ∧ 𝜒) → 𝜃)) | |
| 3 | 2 | ancomsd 269 | . 2 ⊢ (𝜑 → ((𝜒 ∧ 𝜓) → 𝜃)) |
| 4 | 1, 3 | mpan2d 432 | 1 ⊢ (𝜑 → (𝜒 → 𝜃)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This proof depends on definitions: df-bi 117 |
| This theorem is used by: mpani 434 mp2and 437 rspcimedv 2931 ovig 6213 prcdnql 7858 prcunqu 7859 p1le 9188 nnge1 9337 zltp1le 9711 gtndiv 9753 uzss 9960 addlelt 10187 xrre2 10241 xrre3 10242 zltaddlt1le 10428 nn0p1elfzo 10612 zsupcllemstep 10680 modfzo0difsn 10854 seqf1oglem1 10978 leexp2r 11052 expnlbnd2 11125 facavg 11207 wrdred1hash 11371 ccat2s1fvwd 11438 caubnd2 11907 maxleast 12003 mulcn2 12104 cn1lem 12106 climsqz 12127 climsqz2 12128 climcvg1nlem 12141 fsumabs 12258 cvgratnnlemnexp 12317 cvgratnnlemmn 12318 bitsfzolem 12747 bitsfzo 12748 gcdzeq 12825 algcvgblem 12853 algcvga 12855 lcmdvdsb 12888 coprm 12949 pclemub 13096 bldisj 15639 xblm 15655 metss2lem 15735 bdxmet 15739 limccoap 15916 chtqub 16308 bcmono 16316 bclbnd 16319 bposlem1 16323 bposlem5 16327 bposlem6 16328 lgsne0 16374 gausslemma2dlem1a 16394 eupth2lemsfi 16936 |
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