Description: Closure of the line mirror. (Contributed by Thierry Arnoux, 11-Dec-2019)
Ref | Expression | ||
---|---|---|---|
Hypotheses | ismid.p | |- P = ( Base ` G ) |
|
ismid.d | |- .- = ( dist ` G ) |
||
ismid.i | |- I = ( Itv ` G ) |
||
ismid.g | |- ( ph -> G e. TarskiG ) |
||
ismid.1 | |- ( ph -> G TarskiGDim>= 2 ) |
||
lmif.m | |- M = ( ( lInvG ` G ) ` D ) |
||
lmif.l | |- L = ( LineG ` G ) |
||
lmif.d | |- ( ph -> D e. ran L ) |
||
lmicl.1 | |- ( ph -> A e. P ) |
||
Assertion | lmicl | |- ( ph -> ( M ` A ) e. P ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ismid.p | |- P = ( Base ` G ) |
|
2 | ismid.d | |- .- = ( dist ` G ) |
|
3 | ismid.i | |- I = ( Itv ` G ) |
|
4 | ismid.g | |- ( ph -> G e. TarskiG ) |
|
5 | ismid.1 | |- ( ph -> G TarskiGDim>= 2 ) |
|
6 | lmif.m | |- M = ( ( lInvG ` G ) ` D ) |
|
7 | lmif.l | |- L = ( LineG ` G ) |
|
8 | lmif.d | |- ( ph -> D e. ran L ) |
|
9 | lmicl.1 | |- ( ph -> A e. P ) |
|
10 | 1 2 3 4 5 6 7 8 | lmif | |- ( ph -> M : P --> P ) |
11 | 10 9 | ffvelrnd | |- ( ph -> ( M ` A ) e. P ) |