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| Mirrors > Home > MPE Home > Th. List > df-lng | Structured version Visualization version Unicode version | ||
| Description: Define the line index extractor for geometries. (Contributed by Thierry Arnoux, 27-Mar-2019.) |
| Ref | Expression |
|---|---|
| df-lng |
 LineG  Slot ;  |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | clng 25336 |
. 2
LineG | |
| 2 | c1 9937 |
. . . 4
| |
| 3 | c7 11075 |
. . . 4
| |
| 4 | 2, 3 | cdc 11493 |
. . 3
; |
| 5 | 4 | cslot 15856 |
. 2
Slot ; |
| 6 | 1, 5 | wceq 1483 |
1
 LineG Slot ; |
| Colors of variables: wff setvar class |
| This definition is referenced by: lngndx 25340 lngid 25342 |
| Copyright terms: Public domain | W3C validator |