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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 36153 for membership. (Contributed by Scott Fenton, 28-Oct-2013.) |
| Ref | Expression |
|---|---|
| df-lines2 | ⊢ LinesEE = ran Line |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | clines2 36137 | . 2 class LinesEE | |
| 2 | cline2 36135 | . . 3 class Line | |
| 3 | 2 | crn 5686 | . 2 class ran Line |
| 4 | 1, 3 | wceq 1540 | 1 wff LinesEE = ran Line |
| Colors of variables: wff setvar class |
| This definition is referenced by: ellines 36153 |
| Copyright terms: Public domain | W3C validator |