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Description: The trace of a composition of two translations is an atom if their traces are different. (Contributed by NM, 15-Jun-2013)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | trlcoat.a | |- A = ( Atoms ` K ) |
|
| trlcoat.h | |- H = ( LHyp ` K ) |
||
| trlcoat.t | |- T = ( ( LTrn ` K ) ` W ) |
||
| trlcoat.r | |- R = ( ( trL ` K ) ` W ) |
||
| Assertion | trlcoat | |- ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) /\ ( R ` F ) =/= ( R ` G ) ) -> ( R ` ( F o. G ) ) e. A ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | trlcoat.a | |- A = ( Atoms ` K ) |
|
| 2 | trlcoat.h | |- H = ( LHyp ` K ) |
|
| 3 | trlcoat.t | |- T = ( ( LTrn ` K ) ` W ) |
|
| 4 | trlcoat.r | |- R = ( ( trL ` K ) ` W ) |
|
| 5 | 2 3 | ltrnco | |- ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ G e. T ) -> ( F o. G ) e. T ) |
| 6 | 5 | 3expb | |- ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) -> ( F o. G ) e. T ) |
| 7 | eqid | |- ( Base ` K ) = ( Base ` K ) |
|
| 8 | eqid | |- ( 0. ` K ) = ( 0. ` K ) |
|
| 9 | 7 8 2 3 4 | trlid0b | |- ( ( ( K e. HL /\ W e. H ) /\ ( F o. G ) e. T ) -> ( ( F o. G ) = ( _I |` ( Base ` K ) ) <-> ( R ` ( F o. G ) ) = ( 0. ` K ) ) ) |
| 10 | 6 9 | syldan | |- ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) -> ( ( F o. G ) = ( _I |` ( Base ` K ) ) <-> ( R ` ( F o. G ) ) = ( 0. ` K ) ) ) |
| 11 | coass | |- ( ( `' F o. F ) o. G ) = ( `' F o. ( F o. G ) ) |
|
| 12 | simpll | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> ( K e. HL /\ W e. H ) ) |
|
| 13 | simplrl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> F e. T ) |
|
| 14 | 7 2 3 | ltrn1o | |- ( ( ( K e. HL /\ W e. H ) /\ F e. T ) -> F : ( Base ` K ) -1-1-onto-> ( Base ` K ) ) |
| 15 | 12 13 14 | syl2anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> F : ( Base ` K ) -1-1-onto-> ( Base ` K ) ) |
| 16 | f1ococnv1 | |- ( F : ( Base ` K ) -1-1-onto-> ( Base ` K ) -> ( `' F o. F ) = ( _I |` ( Base ` K ) ) ) |
|
| 17 | 15 16 | syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> ( `' F o. F ) = ( _I |` ( Base ` K ) ) ) |
| 18 | 17 | coeq1d | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> ( ( `' F o. F ) o. G ) = ( ( _I |` ( Base ` K ) ) o. G ) ) |
| 19 | coeq2 | |- ( ( F o. G ) = ( _I |` ( Base ` K ) ) -> ( `' F o. ( F o. G ) ) = ( `' F o. ( _I |` ( Base ` K ) ) ) ) |
|
| 20 | 19 | adantl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> ( `' F o. ( F o. G ) ) = ( `' F o. ( _I |` ( Base ` K ) ) ) ) |
| 21 | 11 18 20 | 3eqtr3a | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> ( ( _I |` ( Base ` K ) ) o. G ) = ( `' F o. ( _I |` ( Base ` K ) ) ) ) |
| 22 | simplrr | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> G e. T ) |
|
| 23 | 7 2 3 | ltrn1o | |- ( ( ( K e. HL /\ W e. H ) /\ G e. T ) -> G : ( Base ` K ) -1-1-onto-> ( Base ` K ) ) |
| 24 | 12 22 23 | syl2anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> G : ( Base ` K ) -1-1-onto-> ( Base ` K ) ) |
| 25 | f1of | |- ( G : ( Base ` K ) -1-1-onto-> ( Base ` K ) -> G : ( Base ` K ) --> ( Base ` K ) ) |
|
| 26 | fcoi2 | |- ( G : ( Base ` K ) --> ( Base ` K ) -> ( ( _I |` ( Base ` K ) ) o. G ) = G ) |
|
| 27 | 24 25 26 | 3syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> ( ( _I |` ( Base ` K ) ) o. G ) = G ) |
| 28 | 2 3 | ltrncnv | |- ( ( ( K e. HL /\ W e. H ) /\ F e. T ) -> `' F e. T ) |
| 29 | 12 13 28 | syl2anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> `' F e. T ) |
| 30 | 7 2 3 | ltrn1o | |- ( ( ( K e. HL /\ W e. H ) /\ `' F e. T ) -> `' F : ( Base ` K ) -1-1-onto-> ( Base ` K ) ) |
| 31 | 12 29 30 | syl2anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> `' F : ( Base ` K ) -1-1-onto-> ( Base ` K ) ) |
| 32 | f1of | |- ( `' F : ( Base ` K ) -1-1-onto-> ( Base ` K ) -> `' F : ( Base ` K ) --> ( Base ` K ) ) |
|
| 33 | fcoi1 | |- ( `' F : ( Base ` K ) --> ( Base ` K ) -> ( `' F o. ( _I |` ( Base ` K ) ) ) = `' F ) |
|
| 34 | 31 32 33 | 3syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> ( `' F o. ( _I |` ( Base ` K ) ) ) = `' F ) |
| 35 | 21 27 34 | 3eqtr3d | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> G = `' F ) |
| 36 | 35 | fveq2d | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> ( R ` G ) = ( R ` `' F ) ) |
| 37 | 2 3 4 | trlcnv | |- ( ( ( K e. HL /\ W e. H ) /\ F e. T ) -> ( R ` `' F ) = ( R ` F ) ) |
| 38 | 12 13 37 | syl2anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> ( R ` `' F ) = ( R ` F ) ) |
| 39 | 36 38 | eqtr2d | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) /\ ( F o. G ) = ( _I |` ( Base ` K ) ) ) -> ( R ` F ) = ( R ` G ) ) |
| 40 | 39 | ex | |- ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) -> ( ( F o. G ) = ( _I |` ( Base ` K ) ) -> ( R ` F ) = ( R ` G ) ) ) |
| 41 | 10 40 | sylbird | |- ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) -> ( ( R ` ( F o. G ) ) = ( 0. ` K ) -> ( R ` F ) = ( R ` G ) ) ) |
| 42 | 41 | necon3d | |- ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) -> ( ( R ` F ) =/= ( R ` G ) -> ( R ` ( F o. G ) ) =/= ( 0. ` K ) ) ) |
| 43 | 8 1 2 3 4 | trlatn0 | |- ( ( ( K e. HL /\ W e. H ) /\ ( F o. G ) e. T ) -> ( ( R ` ( F o. G ) ) e. A <-> ( R ` ( F o. G ) ) =/= ( 0. ` K ) ) ) |
| 44 | 6 43 | syldan | |- ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) -> ( ( R ` ( F o. G ) ) e. A <-> ( R ` ( F o. G ) ) =/= ( 0. ` K ) ) ) |
| 45 | 42 44 | sylibrd | |- ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) ) -> ( ( R ` F ) =/= ( R ` G ) -> ( R ` ( F o. G ) ) e. A ) ) |
| 46 | 45 | 3impia | |- ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ G e. T ) /\ ( R ` F ) =/= ( R ` G ) ) -> ( R ` ( F o. G ) ) e. A ) |