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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 721 | . 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 713 |
| 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 714 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: mpjaod 723 jaao 724 orel2 731 pm2.621 752 mtord 788 jaodan 802 pm2.63 805 pm2.74 812 dedlema 975 dedlemb 976 oplem1 981 ifnebibdc 3649 opthpr 3853 exmid1stab 4296 trsucss 4518 ordsucim 4596 onsucelsucr 4604 0elnn 4715 xpsspw 4836 relop 4878 fununi 5395 poxp 6392 nntri1 6659 nnsseleq 6664 nnmordi 6679 nnaordex 6691 nnm00 6693 swoord2 6727 nneneq 7038 exmidonfinlem 7394 elni2 7524 prubl 7696 distrlem4prl 7794 distrlem4pru 7795 ltxrlt 8235 recexre 8748 remulext1 8769 mulext1 8782 un0addcl 9425 un0mulcl 9426 elnnz 9479 zleloe 9516 zindd 9588 uzsplit 10317 fzm1 10325 expcl2lemap 10803 expnegzap 10825 expaddzap 10835 expmulzap 10837 qsqeqor 10902 nn0opthd 10974 facdiv 10990 facwordi 10992 bcpasc 11018 recvguniq 11546 absexpzap 11631 maxabslemval 11759 xrmaxiflemval 11801 sumrbdclem 11928 summodc 11934 zsumdc 11935 prodrbdclem 12122 zproddc 12130 prodssdc 12140 fprodcl2lem 12156 fprodsplitsn 12184 ordvdsmul 12385 gcdaddm 12545 nninfctlemfo 12601 lcmdvds 12641 dvdsprime 12684 prmdvdsexpr 12712 prmfac1 12714 pythagtriplem2 12829 4sqlem11 12964 unct 13053 domneq0 14276 baspartn 14764 reopnap 15260 coseq0q4123 15548 lgsdir2lem2 15748 upgrpredgv 15985 wlk1walkdom 16156 decidin 16329 bj-charfun 16338 bj-nntrans 16482 bj-nnelirr 16484 bj-findis 16510 triap 16569 |
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