Definition df-zring 13763

Description: The (unital) ring of integers. (Contributed by Alexander van der Vekens, 9-Jun-2019.)

Assertion

Ref	Expression
df-zring	|- ℤring = (ℂfld ↾s ZZ )

Detailed syntax breakdown of Definition df-zring

Step	Hyp	Ref	Expression
1		czring 13762	. 2 class ℤring
2		ccnfld 13737	. . 3 class ℂfld
3		cz 9267	. . 3 class ZZ
4		cress 12477	. . 3 class ↾s
5	2, 3, 4	co 5888	. 2 class (ℂfld ↾s ZZ )
6	1, 5	wceq 1363	1 wff ℤring = (ℂfld ↾s ZZ )

This definition is referenced by:  zringcrng  13764  zringbas  13768  zringplusg  13769  zringmulg  13770  zringmulr  13771  zring0  13772  zring1  13773  zringsubgval  13777  zringmpg  13778