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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 3648 opthpr 3850 exmid1stab 4292 trsucss 4514 ordsucim 4592 onsucelsucr 4600 0elnn 4711 xpsspw 4831 relop 4872 fununi 5389 poxp 6384 nntri1 6650 nnsseleq 6655 nnmordi 6670 nnaordex 6682 nnm00 6684 swoord2 6718 nneneq 7026 exmidonfinlem 7379 elni2 7509 prubl 7681 distrlem4prl 7779 distrlem4pru 7780 ltxrlt 8220 recexre 8733 remulext1 8754 mulext1 8767 un0addcl 9410 un0mulcl 9411 elnnz 9464 zleloe 9501 zindd 9573 uzsplit 10296 fzm1 10304 expcl2lemap 10781 expnegzap 10803 expaddzap 10813 expmulzap 10815 qsqeqor 10880 nn0opthd 10952 facdiv 10968 facwordi 10970 bcpasc 10996 recvguniq 11514 absexpzap 11599 maxabslemval 11727 xrmaxiflemval 11769 sumrbdclem 11896 summodc 11902 zsumdc 11903 prodrbdclem 12090 zproddc 12098 prodssdc 12108 fprodcl2lem 12124 fprodsplitsn 12152 ordvdsmul 12353 gcdaddm 12513 nninfctlemfo 12569 lcmdvds 12609 dvdsprime 12652 prmdvdsexpr 12680 prmfac1 12682 pythagtriplem2 12797 4sqlem11 12932 unct 13021 domneq0 14244 baspartn 14732 reopnap 15228 coseq0q4123 15516 lgsdir2lem2 15716 upgrpredgv 15952 wlk1walkdom 16080 decidin 16185 bj-charfun 16194 bj-nntrans 16338 bj-nnelirr 16340 bj-findis 16366 triap 16427 |
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