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Description: Part of proof after Lemma N of Crawley p. 122. Reverse ordering property. (Contributed by NM, 4-Mar-2014)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | dihjust.b | |- B = ( Base ` K ) |
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| dihjust.l | |- .<_ = ( le ` K ) |
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| dihjust.j | |- .\/ = ( join ` K ) |
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| dihjust.m | |- ./\ = ( meet ` K ) |
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| dihjust.a | |- A = ( Atoms ` K ) |
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| dihjust.h | |- H = ( LHyp ` K ) |
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| dihjust.i | |- I = ( ( DIsoB ` K ) ` W ) |
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| dihjust.J | |- J = ( ( DIsoC ` K ) ` W ) |
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| dihjust.u | |- U = ( ( DVecH ` K ) ` W ) |
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| dihjust.s | |- .(+) = ( LSSum ` U ) |
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| dihord2c.t | |- T = ( ( LTrn ` K ) ` W ) |
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| dihord2c.r | |- R = ( ( trL ` K ) ` W ) |
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| dihord2c.o | |- O = ( h e. T |-> ( _I |` B ) ) |
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| dihord2.p | |- P = ( ( oc ` K ) ` W ) |
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| dihord2.e | |- E = ( ( TEndo ` K ) ` W ) |
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| dihord2.d | |- .+ = ( +g ` U ) |
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| dihord2.g | |- G = ( iota_ h e. T ( h ` P ) = N ) |
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| Assertion | dihord2pre2 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( Q .\/ ( X ./\ W ) ) .<_ ( N .\/ ( Y ./\ W ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dihjust.b | |- B = ( Base ` K ) |
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| 2 | dihjust.l | |- .<_ = ( le ` K ) |
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| 3 | dihjust.j | |- .\/ = ( join ` K ) |
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| 4 | dihjust.m | |- ./\ = ( meet ` K ) |
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| 5 | dihjust.a | |- A = ( Atoms ` K ) |
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| 6 | dihjust.h | |- H = ( LHyp ` K ) |
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| 7 | dihjust.i | |- I = ( ( DIsoB ` K ) ` W ) |
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| 8 | dihjust.J | |- J = ( ( DIsoC ` K ) ` W ) |
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| 9 | dihjust.u | |- U = ( ( DVecH ` K ) ` W ) |
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| 10 | dihjust.s | |- .(+) = ( LSSum ` U ) |
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| 11 | dihord2c.t | |- T = ( ( LTrn ` K ) ` W ) |
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| 12 | dihord2c.r | |- R = ( ( trL ` K ) ` W ) |
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| 13 | dihord2c.o | |- O = ( h e. T |-> ( _I |` B ) ) |
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| 14 | dihord2.p | |- P = ( ( oc ` K ) ` W ) |
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| 15 | dihord2.e | |- E = ( ( TEndo ` K ) ` W ) |
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| 16 | dihord2.d | |- .+ = ( +g ` U ) |
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| 17 | dihord2.g | |- G = ( iota_ h e. T ( h ` P ) = N ) |
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| 18 | 1 2 3 4 5 6 7 8 9 10 | dihord2a | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> Q .<_ ( N .\/ ( Y ./\ W ) ) ) |
| 19 | simp11l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> K e. HL ) |
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| 20 | 19 | hllatd | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> K e. Lat ) |
| 21 | simp2l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> X e. B ) |
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| 22 | simp11r | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> W e. H ) |
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| 23 | 1 6 | lhpbase | |- ( W e. H -> W e. B ) |
| 24 | 22 23 | syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> W e. B ) |
| 25 | 1 4 | latmcl | |- ( ( K e. Lat /\ X e. B /\ W e. B ) -> ( X ./\ W ) e. B ) |
| 26 | 20 21 24 25 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( X ./\ W ) e. B ) |
| 27 | simp2r | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> Y e. B ) |
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| 28 | 1 4 | latmcl | |- ( ( K e. Lat /\ Y e. B /\ W e. B ) -> ( Y ./\ W ) e. B ) |
| 29 | 20 27 24 28 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( Y ./\ W ) e. B ) |
| 30 | simp13l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> N e. A ) |
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| 31 | 1 5 | atbase | |- ( N e. A -> N e. B ) |
| 32 | 30 31 | syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> N e. B ) |
| 33 | 1 3 | latjcl | |- ( ( K e. Lat /\ N e. B /\ ( Y ./\ W ) e. B ) -> ( N .\/ ( Y ./\ W ) ) e. B ) |
| 34 | 20 32 29 33 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( N .\/ ( Y ./\ W ) ) e. B ) |
| 35 | simp33 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) |
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| 36 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | dihord2pre | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) -> ( X ./\ W ) .<_ ( Y ./\ W ) ) |
| 37 | 35 36 | syld3an3 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( X ./\ W ) .<_ ( Y ./\ W ) ) |
| 38 | 1 2 3 | latlej2 | |- ( ( K e. Lat /\ N e. B /\ ( Y ./\ W ) e. B ) -> ( Y ./\ W ) .<_ ( N .\/ ( Y ./\ W ) ) ) |
| 39 | 20 32 29 38 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( Y ./\ W ) .<_ ( N .\/ ( Y ./\ W ) ) ) |
| 40 | 1 2 20 26 29 34 37 39 | lattrd | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( X ./\ W ) .<_ ( N .\/ ( Y ./\ W ) ) ) |
| 41 | simp12l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> Q e. A ) |
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| 42 | 1 5 | atbase | |- ( Q e. A -> Q e. B ) |
| 43 | 41 42 | syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> Q e. B ) |
| 44 | 1 2 3 | latjle12 | |- ( ( K e. Lat /\ ( Q e. B /\ ( X ./\ W ) e. B /\ ( N .\/ ( Y ./\ W ) ) e. B ) ) -> ( ( Q .<_ ( N .\/ ( Y ./\ W ) ) /\ ( X ./\ W ) .<_ ( N .\/ ( Y ./\ W ) ) ) <-> ( Q .\/ ( X ./\ W ) ) .<_ ( N .\/ ( Y ./\ W ) ) ) ) |
| 45 | 20 43 26 34 44 | syl13anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( ( Q .<_ ( N .\/ ( Y ./\ W ) ) /\ ( X ./\ W ) .<_ ( N .\/ ( Y ./\ W ) ) ) <-> ( Q .\/ ( X ./\ W ) ) .<_ ( N .\/ ( Y ./\ W ) ) ) ) |
| 46 | 18 40 45 | mpbi2and | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( N e. A /\ -. N .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( N .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` N ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( Q .\/ ( X ./\ W ) ) .<_ ( N .\/ ( Y ./\ W ) ) ) |