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Description: Part of proof after Lemma N of Crawley p. 122. Reverse ordering property. (Contributed by NM, 3-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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| Assertion | dihord2a | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> Q .<_ ( R .\/ ( 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 | simp11 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( K e. HL /\ W e. H ) ) |
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| 12 | 6 9 11 | dvhlmod | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> U e. LMod ) |
| 13 | eqid | |- ( LSubSp ` U ) = ( LSubSp ` U ) |
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| 14 | 13 | lsssssubg | |- ( U e. LMod -> ( LSubSp ` U ) C_ ( SubGrp ` U ) ) |
| 15 | 12 14 | syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( LSubSp ` U ) C_ ( SubGrp ` U ) ) |
| 16 | simp12 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( Q e. A /\ -. Q .<_ W ) ) |
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| 17 | 2 5 6 9 8 13 | diclss | |- ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) ) -> ( J ` Q ) e. ( LSubSp ` U ) ) |
| 18 | 11 16 17 | syl2anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( J ` Q ) e. ( LSubSp ` U ) ) |
| 19 | 15 18 | sseldd | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( J ` Q ) e. ( SubGrp ` U ) ) |
| 20 | simp11l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> K e. HL ) |
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| 21 | 20 | hllatd | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> K e. Lat ) |
| 22 | simp2l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> X e. B ) |
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| 23 | simp11r | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> W e. H ) |
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| 24 | 1 6 | lhpbase | |- ( W e. H -> W e. B ) |
| 25 | 23 24 | syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> W e. B ) |
| 26 | 1 4 | latmcl | |- ( ( K e. Lat /\ X e. B /\ W e. B ) -> ( X ./\ W ) e. B ) |
| 27 | 21 22 25 26 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( X ./\ W ) e. B ) |
| 28 | 1 2 4 | latmle2 | |- ( ( K e. Lat /\ X e. B /\ W e. B ) -> ( X ./\ W ) .<_ W ) |
| 29 | 21 22 25 28 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( X ./\ W ) .<_ W ) |
| 30 | 1 2 6 9 7 13 | diblss | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( X ./\ W ) e. B /\ ( X ./\ W ) .<_ W ) ) -> ( I ` ( X ./\ W ) ) e. ( LSubSp ` U ) ) |
| 31 | 11 27 29 30 | syl12anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( I ` ( X ./\ W ) ) e. ( LSubSp ` U ) ) |
| 32 | 15 31 | sseldd | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( I ` ( X ./\ W ) ) e. ( SubGrp ` U ) ) |
| 33 | 10 | lsmub1 | |- ( ( ( J ` Q ) e. ( SubGrp ` U ) /\ ( I ` ( X ./\ W ) ) e. ( SubGrp ` U ) ) -> ( J ` Q ) C_ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) ) |
| 34 | 19 32 33 | syl2anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( J ` Q ) C_ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) ) |
| 35 | simp33 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) |
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| 36 | 34 35 | sstrd | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( J ` Q ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) |
| 37 | simp13 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( R e. A /\ -. R .<_ W ) ) |
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| 38 | simp2r | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> Y e. B ) |
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| 39 | 1 4 | latmcl | |- ( ( K e. Lat /\ Y e. B /\ W e. B ) -> ( Y ./\ W ) e. B ) |
| 40 | 21 38 25 39 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( Y ./\ W ) e. B ) |
| 41 | 1 2 4 | latmle2 | |- ( ( K e. Lat /\ Y e. B /\ W e. B ) -> ( Y ./\ W ) .<_ W ) |
| 42 | 21 38 25 41 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( Y ./\ W ) .<_ W ) |
| 43 | 40 42 | jca | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( ( Y ./\ W ) e. B /\ ( Y ./\ W ) .<_ W ) ) |
| 44 | 1 2 3 5 6 7 8 9 10 | cdlemn | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( R e. A /\ -. R .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( ( Y ./\ W ) e. B /\ ( Y ./\ W ) .<_ W ) ) ) -> ( Q .<_ ( R .\/ ( Y ./\ W ) ) <-> ( J ` Q ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) |
| 45 | 11 37 16 43 44 | syl13anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> ( Q .<_ ( R .\/ ( Y ./\ W ) ) <-> ( J ` Q ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) |
| 46 | 36 45 | mpbird | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( X e. B /\ Y e. B ) /\ ( ( Q .\/ ( X ./\ W ) ) = X /\ ( R .\/ ( Y ./\ W ) ) = Y /\ ( ( J ` Q ) .(+) ( I ` ( X ./\ W ) ) ) C_ ( ( J ` R ) .(+) ( I ` ( Y ./\ W ) ) ) ) ) -> Q .<_ ( R .\/ ( Y ./\ W ) ) ) |