Mathbox for Rodolfo Medina |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > jca2r | Structured version Visualization version GIF version |
Description: Inference conjoining the consequents of two implications. (Contributed by Rodolfo Medina, 17-Oct-2010.) |
Ref | Expression |
---|---|
jca2r.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
jca2r.2 | ⊢ (𝜓 → 𝜃) |
Ref | Expression |
---|---|
jca2r | ⊢ (𝜑 → (𝜓 → (𝜃 ∧ 𝜒))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | jca2r.2 | . . 3 ⊢ (𝜓 → 𝜃) | |
2 | 1 | a1i 11 | . 2 ⊢ (𝜑 → (𝜓 → 𝜃)) |
3 | jca2r.1 | . 2 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
4 | 2, 3 | jcad 513 | 1 ⊢ (𝜑 → (𝜓 → (𝜃 ∧ 𝜒))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 |
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 206 df-an 397 |
This theorem is referenced by: prter2 36895 |
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