Theorem bj-rest00

Description: An elementwise intersection on the empty family is the empty set. TODO: this is 0rest . (Contributed by BJ, 27-Apr-2021)

	Ref	Expression
Assertion	bj-rest00	$$⊢\varnothing {\upharpoonright }_{𝑡}A=\varnothing$$

Proof

Step	Hyp	Ref	Expression
1		0rest	$$⊢\varnothing {\upharpoonright }_{𝑡}A=\varnothing$$