Definition df-disjss 38721

Description: Define the class of all disjoint sets (but not necessarily disjoint relations, cf. df-disjs 38722). It is used only by df-disjs 38722. (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 38231	. 2 class Disjss
2		vx	. . . . . . 7 setvar 𝑥
3	2	cv 1539	. . . . . 6 class 𝑥
4	3	ccnv 5653	. . . . 5 class ◡𝑥
5	4	ccoss 38199	. . . 4 class ≀ ◡𝑥
6		ccnvrefrels 38207	. . . 4 class CnvRefRels
7	5, 6	wcel 2108	. . 3 wff ≀ ◡𝑥 ∈ CnvRefRels
8	7, 2	cab 2713	. 2 class {𝑥 ∣ ≀ ◡𝑥 ∈ CnvRefRels }
9	1, 8	wceq 1540	1 wff Disjss = {𝑥 ∣ ≀ ◡𝑥 ∈ CnvRefRels }

This definition is referenced by:  dfdisjs  38726