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Metamath Proof Explorer

Theorem cnfldexOLD

Description: Obsolete version of cnfldex as of 27-Apr-2025. (Contributed by Stefan O'Rear, 27-Nov-2014) (Revised by Mario Carneiro, 14-Aug-2015) (Revised by Thierry Arnoux, 17-Dec-2017) (Proof modification is discouraged.) (New usage is discouraged.)

		Ref	Expression
	Assertion	cnfldexOLD	⊢ ℂ_fld ∈ V

Proof

Step	Hyp	Ref	Expression
1		cnfldstrOLD	⊢ ℂ_fld Struct ⟨ 1 , ; 1 3 ⟩
2		structex	⊢ ( ℂ_fld Struct ⟨ 1 , ; 1 3 ⟩ → ℂ_fld ∈ V )
3	1 2	ax-mp	⊢ ℂ_fld ∈ V