Metamath Proof Explorer


Theorem cdlemkuel-2N

Description: Part of proof of Lemma K of Crawley p. 118. Conditions for the sigma_2 (p) function to be a translation. TODO: combine cdlemkj ? (Contributed by NM, 2-Jul-2013) (New usage is discouraged.)

Ref Expression
Hypotheses cdlemk2.b
|- B = ( Base ` K )
cdlemk2.l
|- .<_ = ( le ` K )
cdlemk2.j
|- .\/ = ( join ` K )
cdlemk2.m
|- ./\ = ( meet ` K )
cdlemk2.a
|- A = ( Atoms ` K )
cdlemk2.h
|- H = ( LHyp ` K )
cdlemk2.t
|- T = ( ( LTrn ` K ) ` W )
cdlemk2.r
|- R = ( ( trL ` K ) ` W )
cdlemk2.s
|- S = ( f e. T |-> ( iota_ i e. T ( i ` P ) = ( ( P .\/ ( R ` f ) ) ./\ ( ( N ` P ) .\/ ( R ` ( f o. `' F ) ) ) ) ) )
cdlemk2.q
|- Q = ( S ` C )
cdlemk2.v
|- V = ( d e. T |-> ( iota_ k e. T ( k ` P ) = ( ( P .\/ ( R ` d ) ) ./\ ( ( Q ` P ) .\/ ( R ` ( d o. `' C ) ) ) ) ) )
Assertion cdlemkuel-2N
|- ( ( ( ( K e. HL /\ W e. H ) /\ ( R ` F ) = ( R ` N ) /\ G e. T ) /\ ( F e. T /\ C e. T /\ N e. T ) /\ ( ( ( R ` C ) =/= ( R ` F ) /\ ( R ` C ) =/= ( R ` G ) ) /\ ( F =/= ( _I |` B ) /\ G =/= ( _I |` B ) /\ C =/= ( _I |` B ) ) /\ ( P e. A /\ -. P .<_ W ) ) ) -> ( V ` G ) e. T )

Proof

Step Hyp Ref Expression
1 cdlemk2.b
 |-  B = ( Base ` K )
2 cdlemk2.l
 |-  .<_ = ( le ` K )
3 cdlemk2.j
 |-  .\/ = ( join ` K )
4 cdlemk2.m
 |-  ./\ = ( meet ` K )
5 cdlemk2.a
 |-  A = ( Atoms ` K )
6 cdlemk2.h
 |-  H = ( LHyp ` K )
7 cdlemk2.t
 |-  T = ( ( LTrn ` K ) ` W )
8 cdlemk2.r
 |-  R = ( ( trL ` K ) ` W )
9 cdlemk2.s
 |-  S = ( f e. T |-> ( iota_ i e. T ( i ` P ) = ( ( P .\/ ( R ` f ) ) ./\ ( ( N ` P ) .\/ ( R ` ( f o. `' F ) ) ) ) ) )
10 cdlemk2.q
 |-  Q = ( S ` C )
11 cdlemk2.v
 |-  V = ( d e. T |-> ( iota_ k e. T ( k ` P ) = ( ( P .\/ ( R ` d ) ) ./\ ( ( Q ` P ) .\/ ( R ` ( d o. `' C ) ) ) ) ) )
12 1 2 3 4 5 6 7 8 9 10 11 cdlemkuel
 |-  ( ( ( ( K e. HL /\ W e. H ) /\ ( R ` F ) = ( R ` N ) /\ G e. T ) /\ ( F e. T /\ C e. T /\ N e. T ) /\ ( ( ( R ` C ) =/= ( R ` F ) /\ ( R ` C ) =/= ( R ` G ) ) /\ ( F =/= ( _I |` B ) /\ G =/= ( _I |` B ) /\ C =/= ( _I |` B ) ) /\ ( P e. A /\ -. P .<_ W ) ) ) -> ( V ` G ) e. T )