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Metamath Proof Explorer

Theorem thincssc

Description: A thin category is a category. (Contributed by Zhi Wang, 17-Sep-2024)

		Ref	Expression
	Assertion	thincssc	$⊢ ThinCat \subseteq Cat$

Step	Hyp	Ref	Expression
1		thincc	$⊢ c \in ThinCat \to c \in Cat$
2	1	ssriv	$⊢ ThinCat \subseteq Cat$