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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 3638 opth1 4326 onsucelsucexmidlem 4625 reldmtpos 6414 dftpos4 6424 nnm00 6693 xpfi 7119 omp1eomlem 7287 ctmlemr 7301 ctssdclemn0 7303 finomni 7333 indpi 7555 enq0tr 7647 prarloclem3step 7709 distrlem4prl 7797 distrlem4pru 7798 lelttr 8261 nn1suc 9155 nnsub 9175 nn0lt2 9554 uzin 9782 xrlelttr 10034 xlesubadd 10111 fzfig 10685 seq3id 10780 seq3z 10783 faclbnd 10996 facavg 11001 bcval5 11018 hashfzo 11079 swrdccat3blem 11313 iserex 11893 fsum3cvg 11932 fsumf1o 11944 fisumss 11946 fsumcl2lem 11952 fsumadd 11960 fsummulc2 12002 isumsplit 12045 fprodf1o 12142 prodssdc 12143 fprodssdc 12144 fprodmul 12145 absdvdsb 12363 dvdsabsb 12364 dvdsabseq 12401 m1exp1 12455 flodddiv4 12490 gcdaddm 12548 gcdabs1 12553 lcmdvds 12644 prmind2 12685 rpexp 12718 fermltl 12799 pcxnn0cl 12876 pcxcl 12877 pcabs 12892 pcmpt 12909 pockthg 12923 mulgnn0ass 13738 lgseisenlem2 15793 2lgslem1c 15812 trilpolemcl 16591 trilpolemlt1 16595 |
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