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Mirrors > Home > MPE Home > Th. List > jca2 | Structured version Visualization version GIF version |
Description: Inference conjoining the consequents of two implications. (Contributed by Rodolfo Medina, 12-Oct-2010.) |
Ref | Expression |
---|---|
jca2.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
jca2.2 | ⊢ (𝜓 → 𝜃) |
Ref | Expression |
---|---|
jca2 | ⊢ (𝜑 → (𝜓 → (𝜒 ∧ 𝜃))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | jca2.1 | . 2 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
2 | jca2.2 | . . 3 ⊢ (𝜓 → 𝜃) | |
3 | 2 | a1i 11 | . 2 ⊢ (𝜑 → (𝜓 → 𝜃)) |
4 | 1, 3 | jcad 516 | 1 ⊢ (𝜑 → (𝜓 → (𝜒 ∧ 𝜃))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 210 df-an 400 |
This theorem is referenced by: rr19.28v 3608 preddowncl 6143 ssimaex 6723 onfununi 7961 oaordex 8167 domtriord 8647 findcard3 8745 unfilem1 8766 fodomfib 8782 inf0 9068 inf3lem3 9077 tcel 9171 fidomtri2 9407 alephval3 9521 zorn2lem6 9912 fodomb 9937 eqreznegel 12322 iserodd 16162 cshwsiun 16425 txcn 22231 ssfg 22477 fclsnei 22624 eldmgm 25607 fnrelpredd 32472 cvmlift2lem10 32672 relcnveq3 35738 iss2 35761 elrelscnveq3 35891 jca3 36152 prjspreln0 39603 rfovcnvf1od 40705 mnuop3d 40979 |
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