| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 3640 opth1 4328 onsucelsucexmidlem 4627 reldmtpos 6419 dftpos4 6429 nnm00 6698 xpfi 7124 omp1eomlem 7293 ctmlemr 7307 ctssdclemn0 7309 finomni 7339 indpi 7562 enq0tr 7654 prarloclem3step 7716 distrlem4prl 7804 distrlem4pru 7805 lelttr 8268 nn1suc 9162 nnsub 9182 nn0lt2 9561 uzin 9789 xrlelttr 10041 xlesubadd 10118 fzfig 10693 seq3id 10788 seq3z 10791 faclbnd 11004 facavg 11009 bcval5 11026 hashfzo 11087 swrdccat3blem 11321 iserex 11901 fsum3cvg 11941 fsumf1o 11953 fisumss 11955 fsumcl2lem 11961 fsumadd 11969 fsummulc2 12011 isumsplit 12054 fprodf1o 12151 prodssdc 12152 fprodssdc 12153 fprodmul 12154 absdvdsb 12372 dvdsabsb 12373 dvdsabseq 12410 m1exp1 12464 flodddiv4 12499 gcdaddm 12557 gcdabs1 12562 lcmdvds 12653 prmind2 12694 rpexp 12727 fermltl 12808 pcxnn0cl 12885 pcxcl 12886 pcabs 12901 pcmpt 12918 pockthg 12932 mulgnn0ass 13747 lgseisenlem2 15803 2lgslem1c 15822 trilpolemcl 16662 trilpolemlt1 16666 |
| Copyright terms: Public domain | W3C validator |