Theorem bj-fldssdrng

Description: Fields are division rings. (Contributed by BJ, 6-Jan-2024)

	Ref	Expression
Assertion	bj-fldssdrng	⊢ Field ⊆ DivRing

Proof

Step	Hyp	Ref	Expression
1		df-field	⊢ Field = ( DivRing ∩ CRing )
2		inss1	⊢ ( DivRing ∩ CRing ) ⊆ DivRing
3	1 2	eqsstri	⊢ Field ⊆ DivRing