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Definition df-itv 25557
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
StepHypRef Expression
1 citv 25555 . 2 class Itv
2 c1 10138 . . . 4 class 1
3 c6 11275 . . . 4 class 6
42, 3cdc 11694 . . 3 class 16
54cslot 16062 . 2 class Slot 16
61, 5wceq 1630 1 wff Itv = Slot 16
Colors of variables: wff setvar class
This definition is referenced by:  itvndx  25559  itvid  25561
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