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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 3659 opth1 4354 onsucelsucexmidlem 4653 reldmtpos 6486 dftpos4 6496 nnm00 6765 xpfi 7194 omp1eomlem 7387 ctmlemr 7401 ctssdclemn0 7403 finomni 7433 indpi 7662 enq0tr 7754 prarloclem3step 7816 distrlem4prl 7904 distrlem4pru 7905 lelttr 8367 nn1suc 9261 nnsub 9281 nn0lt2 9665 uzin 9893 xrlelttr 10145 xlesubadd 10222 fzfig 10799 seq3id 10894 seq3z 10897 faclbnd 11111 facavg 11116 bcval5 11133 hashfzo 11195 swrdccat3blem 11439 iserex 12032 fsum3cvg 12072 fsumf1o 12084 fisumss 12086 fsumcl2lem 12092 fsumadd 12100 fsummulc2 12142 isumsplit 12185 fprodf1o 12282 prodssdc 12283 fprodssdc 12284 fprodmul 12285 absdvdsb 12503 dvdsabsb 12504 dvdsabseq 12541 m1exp1 12595 flodddiv4 12630 gcdaddm 12688 gcdabs1 12693 lcmdvds 12784 prmind2 12825 rpexp 12858 fermltl 12939 pcxnn0cl 13016 pcxcl 13017 pcabs 13032 pcmpt 13049 pockthg 13063 mulgnn0ass 13896 lgseisenlem2 15993 2lgslem1c 16012 trilpolemcl 16870 trilpolemlt1 16874 |
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