| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 6396 nntri1 6663 nnsseleq 6668 nnmordi 6683 nnaordex 6695 nnm00 6697 swoord2 6731 nneneq 7042 exmidonfinlem 7403 elni2 7533 prubl 7705 distrlem4prl 7803 distrlem4pru 7804 ltxrlt 8244 recexre 8757 remulext1 8778 mulext1 8791 un0addcl 9434 un0mulcl 9435 elnnz 9488 zleloe 9525 zindd 9597 uzsplit 10326 fzm1 10334 expcl2lemap 10812 expnegzap 10834 expaddzap 10844 expmulzap 10846 qsqeqor 10911 nn0opthd 10983 facdiv 10999 facwordi 11001 bcpasc 11027 recvguniq 11555 absexpzap 11640 maxabslemval 11768 xrmaxiflemval 11810 sumrbdclem 11937 summodc 11943 zsumdc 11944 prodrbdclem 12131 zproddc 12139 prodssdc 12149 fprodcl2lem 12165 fprodsplitsn 12193 ordvdsmul 12394 gcdaddm 12554 nninfctlemfo 12610 lcmdvds 12650 dvdsprime 12693 prmdvdsexpr 12721 prmfac1 12723 pythagtriplem2 12838 4sqlem11 12973 unct 13062 domneq0 14285 baspartn 14773 reopnap 15269 coseq0q4123 15557 lgsdir2lem2 15757 upgrpredgv 15996 wlk1walkdom 16209 decidin 16393 bj-charfun 16402 bj-nntrans 16546 bj-nnelirr 16548 bj-findis 16574 triap 16633 |
| Copyright terms: Public domain | W3C validator |