| Step | Hyp | Ref | Expression | 
						
							| 1 |  | cdlemg35.l |  |-  .<_ = ( le ` K ) | 
						
							| 2 |  | cdlemg35.j |  |-  .\/ = ( join ` K ) | 
						
							| 3 |  | cdlemg35.m |  |-  ./\ = ( meet ` K ) | 
						
							| 4 |  | cdlemg35.a |  |-  A = ( Atoms ` K ) | 
						
							| 5 |  | cdlemg35.h |  |-  H = ( LHyp ` K ) | 
						
							| 6 |  | cdlemg35.t |  |-  T = ( ( LTrn ` K ) ` W ) | 
						
							| 7 |  | cdlemg35.r |  |-  R = ( ( trL ` K ) ` W ) | 
						
							| 8 |  | simpl1 |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) ) | 
						
							| 9 |  | simpl2 |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> ( F e. T /\ G e. T /\ P =/= Q ) ) | 
						
							| 10 |  | simpl3l |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) ) | 
						
							| 11 |  | simpl3r |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> ( R ` F ) =/= ( R ` G ) ) | 
						
							| 12 |  | simpr |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) | 
						
							| 13 | 1 2 3 4 5 6 7 | cdlemg36 |  |-  ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) /\ E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) ) -> ( ( P .\/ ( F ` ( G ` P ) ) ) ./\ W ) = ( ( Q .\/ ( F ` ( G ` Q ) ) ) ./\ W ) ) | 
						
							| 14 | 8 9 10 11 12 13 | syl113anc |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> ( ( P .\/ ( F ` ( G ` P ) ) ) ./\ W ) = ( ( Q .\/ ( F ` ( G ` Q ) ) ) ./\ W ) ) | 
						
							| 15 |  | simpl11 |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ -. E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> ( K e. HL /\ W e. H ) ) | 
						
							| 16 |  | simpl12 |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ -. E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> ( P e. A /\ -. P .<_ W ) ) | 
						
							| 17 |  | simpl13 |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ -. E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> ( Q e. A /\ -. Q .<_ W ) ) | 
						
							| 18 |  | simpl21 |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ -. E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> F e. T ) | 
						
							| 19 |  | simpl22 |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ -. E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> G e. T ) | 
						
							| 20 |  | simpl23 |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ -. E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> P =/= Q ) | 
						
							| 21 |  | simpr |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ -. E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> -. E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) | 
						
							| 22 | 1 2 3 4 5 6 7 | cdlemg37 |  |-  ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ P =/= Q /\ -. E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) ) -> ( ( P .\/ ( F ` ( G ` P ) ) ) ./\ W ) = ( ( Q .\/ ( F ` ( G ` Q ) ) ) ./\ W ) ) | 
						
							| 23 | 15 16 17 18 19 20 21 22 | syl133anc |  |-  ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) /\ -. E. r e. A ( -. r .<_ W /\ ( P .\/ r ) = ( Q .\/ r ) ) ) -> ( ( P .\/ ( F ` ( G ` P ) ) ) ./\ W ) = ( ( Q .\/ ( F ` ( G ` Q ) ) ) ./\ W ) ) | 
						
							| 24 | 14 23 | pm2.61dan |  |-  ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` P ) =/= P /\ ( G ` P ) =/= P ) /\ ( R ` F ) =/= ( R ` G ) ) ) -> ( ( P .\/ ( F ` ( G ` P ) ) ) ./\ W ) = ( ( Q .\/ ( F ` ( G ` Q ) ) ) ./\ W ) ) |