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Metamath Proof Explorer

Theorem zred

Description: An integer is a real number. (Contributed by Mario Carneiro, 28-May-2016)

		Ref	Expression
	Hypothesis	zred.1	$⊢ φ \to A \in ℤ$
	Assertion	zred	$⊢ φ \to A \in ℝ$

Step	Hyp	Ref	Expression
1		zred.1	$⊢ φ \to A \in ℤ$
2		zssre	$⊢ ℤ \subseteq ℝ$
3	2 1	sselid	$⊢ φ \to A \in ℝ$