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| Mirrors > Home > ILE Home > Th. List > mpjaod | GIF version | ||
| Description: Eliminate a disjunction in a deduction. (Contributed by Mario Carneiro, 29-May-2016.) |
| Ref | Expression |
|---|---|
| jaod.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
| jaod.2 | ⊢ (𝜑 → (𝜃 → 𝜒)) |
| jaod.3 | ⊢ (𝜑 → (𝜓 ∨ 𝜃)) |
| Ref | Expression |
|---|---|
| mpjaod | ⊢ (𝜑 → 𝜒) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | jaod.3 | . 2 ⊢ (𝜑 → (𝜓 ∨ 𝜃)) | |
| 2 | jaod.1 | . . 3 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
| 3 | jaod.2 | . . 3 ⊢ (𝜑 → (𝜃 → 𝜒)) | |
| 4 | 2, 3 | jaod 729 | . 2 ⊢ (𝜑 → ((𝜓 ∨ 𝜃) → 𝜒)) |
| 5 | 1, 4 | mpd 13 | 1 ⊢ (𝜑 → 𝜒) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∨ wo 720 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: ifbothdc 3675 opth1 4374 onsucelsucexmidlem 4674 reldmtpos 6518 dftpos4 6528 nnm00 6797 xpfi 7233 omp1eomlem 7428 ctmlemr 7442 ctssdclemn0 7444 finomni 7474 indpi 7703 enq0tr 7795 prarloclem3step 7857 distrlem4prl 7945 distrlem4pru 7946 lelttr 8408 nn1suc 9306 nnsub 9326 nn0lt2 9710 uzin 9938 xrlelttr 10191 xlesubadd 10268 fzfig 10850 seq3id 10945 seq3z 10948 faclbnd 11162 facavg 11167 bcval5 11184 hashfzo 11246 swrdccat3blem 11494 iserex 12088 fsum3cvg 12128 fsumf1o 12140 fisumss 12142 fsumcl2lem 12148 fsumadd 12156 fsummulc2 12198 isumsplit 12241 fprodf1o 12338 prodssdc 12339 fprodssdc 12340 fprodmul 12341 absdvdsb 12559 dvdsabsb 12560 dvdsabseq 12597 m1exp1 12651 flodddiv4 12686 gcdaddm 12744 gcdabs1 12749 lcmdvds 12840 prmind2 12881 rpexp 12914 fermltl 12995 pcxnn0cl 13072 pcxcl 13073 pcabs 13088 pcmpt 13105 pockthg 13119 mulgnn0ass 13944 lgseisenlem2 16173 2lgslem1c 16192 trilpolemcl 17060 trilpolemlt1 17064 |
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