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Mirrors > Home > MPE Home > Th. List > fvoveq1 | Structured version Visualization version GIF version |
Description: Equality theorem for nested function and operation value. Closed form of fvoveq1d 7290. (Contributed by AV, 23-Jul-2022.) |
Ref | Expression |
---|---|
fvoveq1 | ⊢ (𝐴 = 𝐵 → (𝐹‘(𝐴𝑂𝐶)) = (𝐹‘(𝐵𝑂𝐶))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 22 | . 2 ⊢ (𝐴 = 𝐵 → 𝐴 = 𝐵) | |
2 | 1 | fvoveq1d 7290 | 1 ⊢ (𝐴 = 𝐵 → (𝐹‘(𝐴𝑂𝐶)) = (𝐹‘(𝐵𝑂𝐶))) |
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