Definition df-itv 25137

Description: Define the Interval (segment) index extractor for Tarski geometries. (Contributed by Thierry Arnoux, 24-Aug-2017.)

Assertion

Ref	Expression
df-itv	⊢ Itv = Slot ;16

Detailed syntax breakdown of Definition df-itv

Step	Hyp	Ref	Expression
1		citv 25135	. 2 class Itv
2		c1 9816	. . . 4 class 1
3		c6 10951	. . . 4 class 6
4	2, 3	cdc 11369	. . 3 class ;16
5	4	cslot 15694	. 2 class Slot ;16
6	1, 5	wceq 1475	1 wff Itv = Slot ;16

This definition is referenced by:  itvndx  25139  itvid  25141