Description: A terminal category is a category (deduction form). (Contributed by Zhi Wang, 16-Oct-2025)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | termcthind.c | ⊢ ( 𝜑 → 𝐶 ∈ TermCat ) | |
| Assertion | termccd | ⊢ ( 𝜑 → 𝐶 ∈ Cat ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | termcthind.c | ⊢ ( 𝜑 → 𝐶 ∈ TermCat ) | |
| 2 | 1 | termcthind | ⊢ ( 𝜑 → 𝐶 ∈ ThinCat ) |
| 3 | 2 | thinccd | ⊢ ( 𝜑 → 𝐶 ∈ Cat ) |