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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 3661 opth1 4357 onsucelsucexmidlem 4656 reldmtpos 6497 dftpos4 6507 nnm00 6776 xpfi 7205 omp1eomlem 7398 ctmlemr 7412 ctssdclemn0 7414 finomni 7444 indpi 7673 enq0tr 7765 prarloclem3step 7827 distrlem4prl 7915 distrlem4pru 7916 lelttr 8378 nn1suc 9276 nnsub 9296 nn0lt2 9680 uzin 9908 xrlelttr 10161 xlesubadd 10238 fzfig 10819 seq3id 10914 seq3z 10917 faclbnd 11131 facavg 11136 bcval5 11153 hashfzo 11215 swrdccat3blem 11459 iserex 12052 fsum3cvg 12092 fsumf1o 12104 fisumss 12106 fsumcl2lem 12112 fsumadd 12120 fsummulc2 12162 isumsplit 12205 fprodf1o 12302 prodssdc 12303 fprodssdc 12304 fprodmul 12305 absdvdsb 12523 dvdsabsb 12524 dvdsabseq 12561 m1exp1 12615 flodddiv4 12650 gcdaddm 12708 gcdabs1 12713 lcmdvds 12804 prmind2 12845 rpexp 12878 fermltl 12959 pcxnn0cl 13036 pcxcl 13037 pcabs 13052 pcmpt 13069 pockthg 13083 mulgnn0ass 13914 lgseisenlem2 16073 2lgslem1c 16092 trilpolemcl 16960 trilpolemlt1 16964 |
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