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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 716 | . 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 708 |
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 709 |
This theorem depends on definitions: df-bi 117 |
This theorem is referenced by: mpjaod 718 jaao 719 orel2 726 pm2.621 747 mtord 783 jaodan 797 pm2.63 800 pm2.74 807 dedlema 969 dedlemb 970 oplem1 975 opthpr 3771 exmid1stab 4206 trsucss 4421 ordsucim 4497 onsucelsucr 4505 0elnn 4616 xpsspw 4736 relop 4774 fununi 5281 poxp 6228 nntri1 6492 nnsseleq 6497 nnmordi 6512 nnaordex 6524 nnm00 6526 swoord2 6560 nneneq 6852 exmidonfinlem 7187 elni2 7308 prubl 7480 distrlem4prl 7578 distrlem4pru 7579 ltxrlt 8017 recexre 8529 remulext1 8550 mulext1 8563 un0addcl 9203 un0mulcl 9204 elnnz 9257 zleloe 9294 zindd 9365 uzsplit 10085 fzm1 10093 expcl2lemap 10525 expnegzap 10547 expaddzap 10557 expmulzap 10559 qsqeqor 10623 nn0opthd 10693 facdiv 10709 facwordi 10711 bcpasc 10737 recvguniq 10995 absexpzap 11080 maxabslemval 11208 xrmaxiflemval 11249 sumrbdclem 11376 summodc 11382 zsumdc 11383 prodrbdclem 11570 zproddc 11578 prodssdc 11588 fprodcl2lem 11604 fprodsplitsn 11632 ordvdsmul 11832 gcdaddm 11975 lcmdvds 12069 dvdsprime 12112 prmdvdsexpr 12140 prmfac1 12142 pythagtriplem2 12256 unct 12433 baspartn 13330 reopnap 13820 coseq0q4123 14037 lgsdir2lem2 14212 decidin 14320 bj-charfun 14330 bj-nntrans 14474 bj-nnelirr 14476 bj-findis 14502 triap 14548 |
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