Metamath Proof Explorer


Theorem termcthind

Description: A terminal category is a thin category (deduction form). (Contributed by Zhi Wang, 16-Oct-2025)

Ref Expression
Hypothesis termcthind.c ( 𝜑𝐶 ∈ TermCat )
Assertion termcthind ( 𝜑𝐶 ∈ ThinCat )

Proof

Step Hyp Ref Expression
1 termcthind.c ( 𝜑𝐶 ∈ TermCat )
2 termcthin ( 𝐶 ∈ TermCat → 𝐶 ∈ ThinCat )
3 1 2 syl ( 𝜑𝐶 ∈ ThinCat )