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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 6210 prcdnql 7851 prcunqu 7852 p1le 9180 nnge1 9328 zltp1le 9701 gtndiv 9743 uzss 9945 addlelt 10171 xrre2 10225 xrre3 10226 zltaddlt1le 10412 nn0p1elfzo 10596 zsupcllemstep 10664 modfzo0difsn 10834 seqf1oglem1 10958 leexp2r 11032 expnlbnd2 11105 facavg 11186 wrdred1hash 11350 ccat2s1fvwd 11417 caubnd2 11885 maxleast 11981 mulcn2 12080 cn1lem 12082 climsqz 12103 climsqz2 12104 climcvg1nlem 12117 fsumabs 12234 cvgratnnlemnexp 12293 cvgratnnlemmn 12294 bitsfzolem 12723 bitsfzo 12724 gcdzeq 12801 algcvgblem 12829 algcvga 12831 lcmdvdsb 12864 coprm 12924 pclemub 13068 bldisj 15504 xblm 15520 metss2lem 15600 bdxmet 15604 limccoap 15781 bcmono 16124 bclbnd 16127 lgsne0 16169 gausslemma2dlem1a 16189 eupth2lemsfi 16731 |
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