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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 723 | . 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 715 |
| 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 716 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: mpjaod 725 jaao 726 orel2 733 pm2.621 754 mtord 790 jaodan 804 pm2.63 807 pm2.74 814 dedlema 977 dedlemb 978 oplem1 983 ifnebibdc 3651 opthpr 3855 exmid1stab 4298 trsucss 4520 ordsucim 4598 onsucelsucr 4606 0elnn 4717 xpsspw 4838 relop 4880 fununi 5398 poxp 6397 nntri1 6664 nnsseleq 6669 nnmordi 6684 nnaordex 6696 nnm00 6698 swoord2 6732 nneneq 7043 exmidonfinlem 7404 elni2 7534 prubl 7706 distrlem4prl 7804 distrlem4pru 7805 ltxrlt 8245 recexre 8758 remulext1 8779 mulext1 8792 un0addcl 9435 un0mulcl 9436 elnnz 9489 zleloe 9526 zindd 9598 uzsplit 10327 fzm1 10335 expcl2lemap 10814 expnegzap 10836 expaddzap 10846 expmulzap 10848 qsqeqor 10913 nn0opthd 10985 facdiv 11001 facwordi 11003 bcpasc 11029 recvguniq 11560 absexpzap 11645 maxabslemval 11773 xrmaxiflemval 11815 sumrbdclem 11943 summodc 11949 zsumdc 11950 prodrbdclem 12137 zproddc 12145 prodssdc 12155 fprodcl2lem 12171 fprodsplitsn 12199 ordvdsmul 12400 gcdaddm 12560 nninfctlemfo 12616 lcmdvds 12656 dvdsprime 12699 prmdvdsexpr 12727 prmfac1 12729 pythagtriplem2 12844 4sqlem11 12979 unct 13068 domneq0 14292 baspartn 14780 reopnap 15276 coseq0q4123 15564 lgsdir2lem2 15764 upgrpredgv 16003 wlk1walkdom 16216 decidin 16419 bj-charfun 16428 bj-nntrans 16572 bj-nnelirr 16574 bj-findis 16600 triap 16659 |
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