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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 724 | . 2 ⊢ (𝜑 → ((𝜓 ∨ 𝜃) → 𝜒)) |
| 5 | 1, 4 | mpd 13 | 1 ⊢ (𝜑 → 𝜒) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∨ wo 715 |
| 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 716 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: ifbothdc 3641 opth1 4330 onsucelsucexmidlem 4629 reldmtpos 6424 dftpos4 6434 nnm00 6703 xpfi 7129 omp1eomlem 7298 ctmlemr 7312 ctssdclemn0 7314 finomni 7344 indpi 7567 enq0tr 7659 prarloclem3step 7721 distrlem4prl 7809 distrlem4pru 7810 lelttr 8273 nn1suc 9167 nnsub 9187 nn0lt2 9566 uzin 9794 xrlelttr 10046 xlesubadd 10123 fzfig 10698 seq3id 10793 seq3z 10796 faclbnd 11009 facavg 11014 bcval5 11031 hashfzo 11092 swrdccat3blem 11329 iserex 11922 fsum3cvg 11962 fsumf1o 11974 fisumss 11976 fsumcl2lem 11982 fsumadd 11990 fsummulc2 12032 isumsplit 12075 fprodf1o 12172 prodssdc 12173 fprodssdc 12174 fprodmul 12175 absdvdsb 12393 dvdsabsb 12394 dvdsabseq 12431 m1exp1 12485 flodddiv4 12520 gcdaddm 12578 gcdabs1 12583 lcmdvds 12674 prmind2 12715 rpexp 12748 fermltl 12829 pcxnn0cl 12906 pcxcl 12907 pcabs 12922 pcmpt 12939 pockthg 12953 mulgnn0ass 13768 lgseisenlem2 15829 2lgslem1c 15848 trilpolemcl 16708 trilpolemlt1 16712 |
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