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Metamath Proof Explorer

Theorem resqcli

Description: Closure of square in reals. (Contributed by NM, 2-Aug-1999)

		Ref	Expression
	Hypothesis	resqcl.1	$⊢ A \in ℝ$
	Assertion	resqcli	$⊢ A^{2} \in ℝ$

Step	Hyp	Ref	Expression
1		resqcl.1	$⊢ A \in ℝ$
2		resqcl	$⊢ A \in ℝ \to A^{2} \in ℝ$
3	1 2	ax-mp	$⊢ A^{2} \in ℝ$