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Mirrors > Home > MPE Home > Th. List > ffund | Structured version Visualization version GIF version |
Description: A mapping is a function, deduction version. (Contributed by Glauco Siliprandi, 3-Mar-2021.) |
Ref | Expression |
---|---|
ffund.1 | ⊢ (𝜑 → 𝐹:𝐴⟶𝐵) |
Ref | Expression |
---|---|
ffund | ⊢ (𝜑 → Fun 𝐹) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ffund.1 | . 2 ⊢ (𝜑 → 𝐹:𝐴⟶𝐵) | |
2 | ffun 6612 | . 2 ⊢ (𝐹:𝐴⟶𝐵 → Fun 𝐹) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → Fun 𝐹) |
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