Description: Define the set of all lines. Definition 6.14, part 2 of Schwabhauser p. 45. See ellines for membership. (Contributed by Scott Fenton, 28-Oct-2013)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | df-lines2 | |- LinesEE = ran Line | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 0 | clines2 | |- LinesEE | |
| 1 | cline2 | |- Line | |
| 2 | 1 | crn | |- ran Line | 
| 3 | 0 2 | wceq | |- LinesEE = ran Line |