Theorem 0lepnf

Description: 0 less than or equal to positive infinity. (Contributed by David A. Wheeler, 8-Dec-2018)

	Ref	Expression
Assertion	0lepnf	$$⊢0\le \mathrm{+\infty }$$

Proof

Step	Hyp	Ref	Expression
1		0xr	$$⊢0\in {ℝ}^{*}$$
2		pnfge	$$⊢0\in {ℝ}^{*}\to 0\le \mathrm{+\infty }$$
3	1 2	ax-mp	$$⊢0\le \mathrm{+\infty }$$