Definition df-funss 36718

Description: Define the class of all function sets (but not necessarily function relations, cf. df-funsALTV 36719). It is used only by df-funsALTV 36719. (Contributed by Peter Mazsa, 17-Jul-2021.)

Assertion

Ref	Expression
df-funss	⊢ Funss = {𝑥 ∣ ≀ 𝑥 ∈ CnvRefRels }

Detailed syntax breakdown of Definition df-funss

Step	Hyp	Ref	Expression
1		cfunss 36289	. 2 class Funss
2		vx	. . . . . 6 setvar 𝑥
3	2	cv 1538	. . . . 5 class 𝑥
4	3	ccoss 36260	. . . 4 class ≀ 𝑥
5		ccnvrefrels 36268	. . . 4 class CnvRefRels
6	4, 5	wcel 2108	. . 3 wff ≀ 𝑥 ∈ CnvRefRels
7	6, 2	cab 2715	. 2 class {𝑥 ∣ ≀ 𝑥 ∈ CnvRefRels }
8	1, 7	wceq 1539	1 wff Funss = {𝑥 ∣ ≀ 𝑥 ∈ CnvRefRels }

This definition is referenced by:  dffunsALTV  36721