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Definition df-lng 23591
Description: Define the line index extractor for geometries. (Contributed by Thierry Arnoux, 27-Mar-2019.)
Assertion
Ref Expression
df-lng  |- LineG  = Slot ; 1 7

Detailed syntax breakdown of Definition df-lng
StepHypRef Expression
1 clng 23589 . 2  class LineG
2 c1 9493 . . . 4  class  1
3 c7 10590 . . . 4  class  7
42, 3cdc 10976 . . 3  class ; 1 7
54cslot 14489 . 2  class Slot ; 1 7
61, 5wceq 1379 1  wff LineG  = Slot ; 1 7
Colors of variables: wff setvar class
This definition is referenced by:  lngndx  23593  lngid  23595
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