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| Mirrors > Home > ILE Home > Th. List > jaod | GIF version | ||
| Description: Deduction disjoining the antecedents of two implications. (Contributed by NM, 18-Aug-1994.) (Revised by NM, 4-Apr-2013.) |
| Ref | Expression |
|---|---|
| jaod.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
| jaod.2 | ⊢ (𝜑 → (𝜃 → 𝜒)) |
| Ref | Expression |
|---|---|
| jaod | ⊢ (𝜑 → ((𝜓 ∨ 𝜃) → 𝜒)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | jaod.1 | . . . 4 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
| 2 | 1 | com12 30 | . . 3 ⊢ (𝜓 → (𝜑 → 𝜒)) |
| 3 | jaod.2 | . . . 4 ⊢ (𝜑 → (𝜃 → 𝜒)) | |
| 4 | 3 | com12 30 | . . 3 ⊢ (𝜃 → (𝜑 → 𝜒)) |
| 5 | 2, 4 | jaoi 724 | . 2 ⊢ ((𝜓 ∨ 𝜃) → (𝜑 → 𝜒)) |
| 6 | 5 | com12 30 | 1 ⊢ (𝜑 → ((𝜓 ∨ 𝜃) → 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: mpjaod 726 jaao 727 orel2 734 pm2.621 755 mtord 791 jaodan 805 pm2.63 808 pm2.74 815 dedlema 978 dedlemb 979 oplem1 984 ifnebibdc 3655 opthpr 3860 exmid1stab 4304 trsucss 4526 ordsucim 4604 onsucelsucr 4612 0elnn 4723 xpsspw 4844 relop 4886 fununi 5405 poxp 6406 nntri1 6707 nnsseleq 6712 nnmordi 6727 nnaordex 6739 nnm00 6741 swoord2 6775 nneneq 7086 exmidonfinlem 7447 elni2 7577 prubl 7749 distrlem4prl 7847 distrlem4pru 7848 ltxrlt 8287 recexre 8800 remulext1 8821 mulext1 8834 un0addcl 9477 un0mulcl 9478 elnnz 9533 zleloe 9570 zindd 9642 uzsplit 10372 fzm1 10380 expcl2lemap 10859 expnegzap 10881 expaddzap 10891 expmulzap 10893 qsqeqor 10958 nn0opthd 11030 facdiv 11046 facwordi 11048 bcpasc 11074 recvguniq 11618 absexpzap 11703 maxabslemval 11831 xrmaxiflemval 11873 sumrbdclem 12001 summodc 12007 zsumdc 12008 prodrbdclem 12195 zproddc 12203 prodssdc 12213 fprodcl2lem 12229 fprodsplitsn 12257 ordvdsmul 12458 gcdaddm 12618 nninfctlemfo 12674 lcmdvds 12714 dvdsprime 12757 prmdvdsexpr 12785 prmfac1 12787 pythagtriplem2 12902 4sqlem11 13037 unct 13126 domneq0 14351 baspartn 14844 reopnap 15340 coseq0q4123 15628 lgsdir2lem2 15831 upgrpredgv 16070 wlk1walkdom 16283 decidin 16498 bj-charfun 16506 bj-nntrans 16650 bj-nnelirr 16652 bj-findis 16678 triap 16744 |
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