| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 7852 prcunqu 7853 p1le 9182 nnge1 9330 zltp1le 9704 gtndiv 9746 uzss 9953 addlelt 10180 xrre2 10234 xrre3 10235 zltaddlt1le 10421 nn0p1elfzo 10605 zsupcllemstep 10673 modfzo0difsn 10847 seqf1oglem1 10971 leexp2r 11045 expnlbnd2 11118 facavg 11200 wrdred1hash 11364 ccat2s1fvwd 11431 caubnd2 11900 maxleast 11996 mulcn2 12097 cn1lem 12099 climsqz 12120 climsqz2 12121 climcvg1nlem 12134 fsumabs 12251 cvgratnnlemnexp 12310 cvgratnnlemmn 12311 bitsfzolem 12740 bitsfzo 12741 gcdzeq 12818 algcvgblem 12846 algcvga 12848 lcmdvdsb 12881 coprm 12942 pclemub 13089 bldisj 15593 xblm 15609 metss2lem 15689 bdxmet 15693 limccoap 15870 chtqub 16262 bcmono 16270 bclbnd 16273 bposlem1 16277 bposlem5 16281 bposlem6 16282 lgsne0 16328 gausslemma2dlem1a 16348 eupth2lemsfi 16890 |
| Copyright terms: Public domain | W3C validator |