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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 7382 elni2 7512 prubl 7684 distrlem4prl 7782 distrlem4pru 7783 ltxrlt 8223 recexre 8736 remulext1 8757 mulext1 8770 un0addcl 9413 un0mulcl 9414 elnnz 9467 zleloe 9504 zindd 9576 uzsplit 10300 fzm1 10308 expcl2lemap 10785 expnegzap 10807 expaddzap 10817 expmulzap 10819 qsqeqor 10884 nn0opthd 10956 facdiv 10972 facwordi 10974 bcpasc 11000 recvguniq 11521 absexpzap 11606 maxabslemval 11734 xrmaxiflemval 11776 sumrbdclem 11903 summodc 11909 zsumdc 11910 prodrbdclem 12097 zproddc 12105 prodssdc 12115 fprodcl2lem 12131 fprodsplitsn 12159 ordvdsmul 12360 gcdaddm 12520 nninfctlemfo 12576 lcmdvds 12616 dvdsprime 12659 prmdvdsexpr 12687 prmfac1 12689 pythagtriplem2 12804 4sqlem11 12939 unct 13028 domneq0 14251 baspartn 14739 reopnap 15235 coseq0q4123 15523 lgsdir2lem2 15723 upgrpredgv 15959 wlk1walkdom 16100 decidin 16216 bj-charfun 16225 bj-nntrans 16369 bj-nnelirr 16371 bj-findis 16397 triap 16457 |
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