Definition df-disjss 35976

Description: Define the class of all disjoint sets (but not necessarily disjoint relations, cf. df-disjs 35977). It is used only by df-disjs 35977. (Contributed by Peter Mazsa, 17-Jul-2021.)

Assertion

Ref	Expression
df-disjss	⊢ Disjss = {𝑥 ∣ ≀ ◡𝑥 ∈ CnvRefRels }

Detailed syntax breakdown of Definition df-disjss

Step	Hyp	Ref	Expression
1		cdisjss 35525	. 2 class Disjss
2		vx	. . . . . . 7 setvar 𝑥
3	2	cv 1535	. . . . . 6 class 𝑥
4	3	ccnv 5547	. . . . 5 class ◡𝑥
5	4	ccoss 35493	. . . 4 class ≀ ◡𝑥
6		ccnvrefrels 35501	. . . 4 class CnvRefRels
7	5, 6	wcel 2113	. . 3 wff ≀ ◡𝑥 ∈ CnvRefRels
8	7, 2	cab 2798	. 2 class {𝑥 ∣ ≀ ◡𝑥 ∈ CnvRefRels }
9	1, 8	wceq 1536	1 wff Disjss = {𝑥 ∣ ≀ ◡𝑥 ∈ CnvRefRels }

This definition is referenced by:  dfdisjs  35981