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Mirrors > Home > MPE Home > Th. List > df-lng | Structured version Visualization version GIF version |
Description: Define the line index extractor for geometries. (Contributed by Thierry Arnoux, 27-Mar-2019.) Use its index-independent form lngid 26782 instead. (New usage is discouraged.) |
Ref | Expression |
---|---|
df-lng | ⊢ LineG = Slot ;17 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | clng 26776 | . 2 class LineG | |
2 | c1 10856 | . . . 4 class 1 | |
3 | c7 12016 | . . . 4 class 7 | |
4 | 2, 3 | cdc 12419 | . . 3 class ;17 |
5 | 4 | cslot 16863 | . 2 class Slot ;17 |
6 | 1, 5 | wceq 1541 | 1 wff LineG = Slot ;17 |
Colors of variables: wff setvar class |
This definition is referenced by: lngndx 26780 lngid 26782 |
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