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| Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-imbi12 | Structured version Visualization version GIF version | ||
| Description: Uncurried (imported) form of imbi12 346. (Contributed by BJ, 6-May-2019.) |
| Ref | Expression |
|---|---|
| bj-imbi12 | ⊢ (((𝜑 ↔ 𝜓) ∧ (𝜒 ↔ 𝜃)) → ((𝜑 → 𝜒) ↔ (𝜓 → 𝜃))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | imbi12 346 | . 2 ⊢ ((𝜑 ↔ 𝜓) → ((𝜒 ↔ 𝜃) → ((𝜑 → 𝜒) ↔ (𝜓 → 𝜃)))) | |
| 2 | 1 | imp 406 | 1 ⊢ (((𝜑 ↔ 𝜓) ∧ (𝜒 ↔ 𝜃)) → ((𝜑 → 𝜒) ↔ (𝜓 → 𝜃))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 |
| 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 207 df-an 396 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |