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Mirrors > Home > MPE Home > Th. List > ancomst | Structured version Visualization version GIF version |
Description: Closed form of ancoms 462. (Contributed by Alan Sare, 31-Dec-2011.) |
Ref | Expression |
---|---|
ancomst | ⊢ (((𝜑 ∧ 𝜓) → 𝜒) ↔ ((𝜓 ∧ 𝜑) → 𝜒)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ancom 464 | . 2 ⊢ ((𝜑 ∧ 𝜓) ↔ (𝜓 ∧ 𝜑)) | |
2 | 1 | imbi1i 353 | 1 ⊢ (((𝜑 ∧ 𝜓) → 𝜒) ↔ ((𝜓 ∧ 𝜑) → 𝜒)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ 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: sbcom2 2165 ralcom 3307 ralcomf 3310 ovolgelb 24084 itg2leub 24338 nmoubi 28555 wl-sbcom2d 34962 ifpidg 40199 undmrnresiss 40304 ntrneiiso 40794 expcomdg 41206 |
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