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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 705 | . 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 697 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: mpjaod 707 jaao 708 orel2 715 pm2.621 736 mtord 772 jaodan 786 pm2.63 789 pm2.74 796 dedlema 953 dedlemb 954 oplem1 959 opthpr 3699 trsucss 4345 ordsucim 4416 onsucelsucr 4424 0elnn 4532 xpsspw 4651 relop 4689 fununi 5191 poxp 6129 nntri1 6392 nnsseleq 6397 nnmordi 6412 nnaordex 6423 nnm00 6425 swoord2 6459 nneneq 6751 exmidonfinlem 7049 elni2 7122 prubl 7294 distrlem4prl 7392 distrlem4pru 7393 ltxrlt 7830 recexre 8340 remulext1 8361 mulext1 8374 un0addcl 9010 un0mulcl 9011 elnnz 9064 zleloe 9101 zindd 9169 uzsplit 9872 fzm1 9880 expcl2lemap 10305 expnegzap 10327 expaddzap 10337 expmulzap 10339 nn0opthd 10468 facdiv 10484 facwordi 10486 bcpasc 10512 recvguniq 10767 absexpzap 10852 maxabslemval 10980 xrmaxiflemval 11019 sumrbdclem 11146 summodc 11152 zsumdc 11153 prodrbdclem 11340 ordvdsmul 11534 gcdaddm 11672 lcmdvds 11760 dvdsprime 11803 prmdvdsexpr 11828 prmfac1 11830 unct 11954 baspartn 12217 reopnap 12707 coseq0q4123 12915 decidin 13004 bj-nntrans 13149 bj-nnelirr 13151 bj-findis 13177 exmid1stab 13195 triap 13224 |
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