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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 725 | . 2 ⊢ (𝜑 → ((𝜓 ∨ 𝜃) → 𝜒)) |
| 5 | 1, 4 | mpd 13 | 1 ⊢ (𝜑 → 𝜒) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∨ wo 716 |
| 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 717 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: ifbothdc 3656 opth1 4351 onsucelsucexmidlem 4650 reldmtpos 6483 dftpos4 6493 nnm00 6762 xpfi 7191 omp1eomlem 7384 ctmlemr 7398 ctssdclemn0 7400 finomni 7430 indpi 7653 enq0tr 7745 prarloclem3step 7807 distrlem4prl 7895 distrlem4pru 7896 lelttr 8358 nn1suc 9252 nnsub 9272 nn0lt2 9655 uzin 9883 xrlelttr 10135 xlesubadd 10212 fzfig 10788 seq3id 10883 seq3z 10886 faclbnd 11099 facavg 11104 bcval5 11121 hashfzo 11182 swrdccat3blem 11424 iserex 12017 fsum3cvg 12057 fsumf1o 12069 fisumss 12071 fsumcl2lem 12077 fsumadd 12085 fsummulc2 12127 isumsplit 12170 fprodf1o 12267 prodssdc 12268 fprodssdc 12269 fprodmul 12270 absdvdsb 12488 dvdsabsb 12489 dvdsabseq 12526 m1exp1 12580 flodddiv4 12615 gcdaddm 12673 gcdabs1 12678 lcmdvds 12769 prmind2 12810 rpexp 12843 fermltl 12924 pcxnn0cl 13001 pcxcl 13002 pcabs 13017 pcmpt 13034 pockthg 13048 mulgnn0ass 13864 lgseisenlem2 15931 2lgslem1c 15950 trilpolemcl 16808 trilpolemlt1 16812 |
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