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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 722 | . 2 ⊢ (𝜑 → ((𝜓 ∨ 𝜃) → 𝜒)) |
| 5 | 1, 4 | mpd 13 | 1 ⊢ (𝜑 → 𝜒) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∨ wo 713 |
| 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 714 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: ifbothdc 3637 opth1 4323 onsucelsucexmidlem 4622 reldmtpos 6410 dftpos4 6420 nnm00 6689 xpfi 7110 omp1eomlem 7277 ctmlemr 7291 ctssdclemn0 7293 finomni 7323 indpi 7545 enq0tr 7637 prarloclem3step 7699 distrlem4prl 7787 distrlem4pru 7788 lelttr 8251 nn1suc 9145 nnsub 9165 nn0lt2 9544 uzin 9772 xrlelttr 10019 xlesubadd 10096 fzfig 10669 seq3id 10764 seq3z 10767 faclbnd 10980 facavg 10985 bcval5 11002 hashfzo 11062 swrdccat3blem 11292 iserex 11871 fsum3cvg 11910 fsumf1o 11922 fisumss 11924 fsumcl2lem 11930 fsumadd 11938 fsummulc2 11980 isumsplit 12023 fprodf1o 12120 prodssdc 12121 fprodssdc 12122 fprodmul 12123 absdvdsb 12341 dvdsabsb 12342 dvdsabseq 12379 m1exp1 12433 flodddiv4 12468 gcdaddm 12526 gcdabs1 12531 lcmdvds 12622 prmind2 12663 rpexp 12696 fermltl 12777 pcxnn0cl 12854 pcxcl 12855 pcabs 12870 pcmpt 12887 pockthg 12901 mulgnn0ass 13716 lgseisenlem2 15771 2lgslem1c 15790 trilpolemcl 16519 trilpolemlt1 16523 |
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