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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 3668 opthpr 3876 exmid1stab 4321 trsucss 4544 ordsucim 4622 onsucelsucr 4630 0elnn 4741 xpsspw 4862 relop 4905 fununi 5424 poxp 6428 nntri1 6729 nnsseleq 6734 nnmordi 6749 nnaordex 6761 nnm00 6763 swoord2 6797 nneneq 7111 exmidonfinlem 7496 elni2 7629 prubl 7801 distrlem4prl 7899 distrlem4pru 7900 ltxrlt 8339 recexre 8852 remulext1 8873 mulext1 8886 un0addcl 9529 un0mulcl 9530 elnnz 9587 zleloe 9624 zindd 9696 uzsplit 10426 fzm1 10434 expcl2lemap 10913 expnegzap 10935 expaddzap 10945 expmulzap 10947 qsqeqor 11012 nn0opthd 11084 facdiv 11100 facwordi 11102 bcpasc 11128 recvguniq 11680 absexpzap 11765 maxabslemval 11893 xrmaxiflemval 11935 sumrbdclem 12063 summodc 12069 zsumdc 12070 prodrbdclem 12257 zproddc 12265 prodssdc 12275 fprodcl2lem 12291 fprodsplitsn 12319 ordvdsmul 12520 gcdaddm 12680 nninfctlemfo 12736 lcmdvds 12776 dvdsprime 12819 prmdvdsexpr 12847 prmfac1 12849 pythagtriplem2 12964 4sqlem11 13099 unct 13193 domneq0 14418 baspartn 14915 reopnap 15411 coseq0q4123 15699 lgsdir2lem2 15902 upgrpredgv 16141 wlk1walkdom 16354 decidin 16569 bj-charfun 16577 bj-nntrans 16721 bj-nnelirr 16723 bj-findis 16749 triap 16813 |
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