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Mirrors > Home > MPE Home > Th. List > Mathboxes > df-lines2 | Structured version Visualization version GIF version |
Description: Define the set of all lines. Definition 6.14, part 2 of [Schwabhauser] p. 45. See ellines 34454 for membership. (Contributed by Scott Fenton, 28-Oct-2013.) |
Ref | Expression |
---|---|
df-lines2 | ⊢ LinesEE = ran Line |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | clines2 34438 | . 2 class LinesEE | |
2 | cline2 34436 | . . 3 class Line | |
3 | 2 | crn 5590 | . 2 class ran Line |
4 | 1, 3 | wceq 1539 | 1 wff LinesEE = ran Line |
Colors of variables: wff setvar class |
This definition is referenced by: ellines 34454 |
Copyright terms: Public domain | W3C validator |