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Description: Modular law for hyperplanes analogous to atmod2i2 for atoms. (Contributed by NM, 9-Feb-2013)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | lhpmod.b | |- B = ( Base ` K ) |
|
| lhpmod.l | |- .<_ = ( le ` K ) |
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| lhpmod.j | |- .\/ = ( join ` K ) |
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| lhpmod.m | |- ./\ = ( meet ` K ) |
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| lhpmod.h | |- H = ( LHyp ` K ) |
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| Assertion | lhpmod2i2 | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( X ./\ W ) .\/ Y ) = ( X ./\ ( W .\/ Y ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lhpmod.b | |- B = ( Base ` K ) |
|
| 2 | lhpmod.l | |- .<_ = ( le ` K ) |
|
| 3 | lhpmod.j | |- .\/ = ( join ` K ) |
|
| 4 | lhpmod.m | |- ./\ = ( meet ` K ) |
|
| 5 | lhpmod.h | |- H = ( LHyp ` K ) |
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| 6 | simp1l | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> K e. HL ) |
|
| 7 | simp1r | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> W e. H ) |
|
| 8 | eqid | |- ( oc ` K ) = ( oc ` K ) |
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| 9 | eqid | |- ( Atoms ` K ) = ( Atoms ` K ) |
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| 10 | 8 9 5 | lhpocat | |- ( ( K e. HL /\ W e. H ) -> ( ( oc ` K ) ` W ) e. ( Atoms ` K ) ) |
| 11 | 6 7 10 | syl2anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( oc ` K ) ` W ) e. ( Atoms ` K ) ) |
| 12 | hlop | |- ( K e. HL -> K e. OP ) |
|
| 13 | 6 12 | syl | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> K e. OP ) |
| 14 | simp2l | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> X e. B ) |
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| 15 | 1 8 | opoccl | |- ( ( K e. OP /\ X e. B ) -> ( ( oc ` K ) ` X ) e. B ) |
| 16 | 13 14 15 | syl2anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( oc ` K ) ` X ) e. B ) |
| 17 | simp2r | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> Y e. B ) |
|
| 18 | 1 8 | opoccl | |- ( ( K e. OP /\ Y e. B ) -> ( ( oc ` K ) ` Y ) e. B ) |
| 19 | 13 17 18 | syl2anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( oc ` K ) ` Y ) e. B ) |
| 20 | simp3 | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> Y .<_ X ) |
|
| 21 | 1 2 8 | oplecon3b | |- ( ( K e. OP /\ Y e. B /\ X e. B ) -> ( Y .<_ X <-> ( ( oc ` K ) ` X ) .<_ ( ( oc ` K ) ` Y ) ) ) |
| 22 | 13 17 14 21 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( Y .<_ X <-> ( ( oc ` K ) ` X ) .<_ ( ( oc ` K ) ` Y ) ) ) |
| 23 | 20 22 | mpbid | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( oc ` K ) ` X ) .<_ ( ( oc ` K ) ` Y ) ) |
| 24 | 1 2 3 4 9 | atmod1i2 | |- ( ( K e. HL /\ ( ( ( oc ` K ) ` W ) e. ( Atoms ` K ) /\ ( ( oc ` K ) ` X ) e. B /\ ( ( oc ` K ) ` Y ) e. B ) /\ ( ( oc ` K ) ` X ) .<_ ( ( oc ` K ) ` Y ) ) -> ( ( ( oc ` K ) ` X ) .\/ ( ( ( oc ` K ) ` W ) ./\ ( ( oc ` K ) ` Y ) ) ) = ( ( ( ( oc ` K ) ` X ) .\/ ( ( oc ` K ) ` W ) ) ./\ ( ( oc ` K ) ` Y ) ) ) |
| 25 | 6 11 16 19 23 24 | syl131anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( ( oc ` K ) ` X ) .\/ ( ( ( oc ` K ) ` W ) ./\ ( ( oc ` K ) ` Y ) ) ) = ( ( ( ( oc ` K ) ` X ) .\/ ( ( oc ` K ) ` W ) ) ./\ ( ( oc ` K ) ` Y ) ) ) |
| 26 | 6 | hllatd | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> K e. Lat ) |
| 27 | 1 5 | lhpbase | |- ( W e. H -> W e. B ) |
| 28 | 7 27 | syl | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> W e. B ) |
| 29 | 1 4 | latmcl | |- ( ( K e. Lat /\ X e. B /\ W e. B ) -> ( X ./\ W ) e. B ) |
| 30 | 26 14 28 29 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( X ./\ W ) e. B ) |
| 31 | 1 3 | latjcl | |- ( ( K e. Lat /\ ( X ./\ W ) e. B /\ Y e. B ) -> ( ( X ./\ W ) .\/ Y ) e. B ) |
| 32 | 26 30 17 31 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( X ./\ W ) .\/ Y ) e. B ) |
| 33 | 1 3 | latjcl | |- ( ( K e. Lat /\ W e. B /\ Y e. B ) -> ( W .\/ Y ) e. B ) |
| 34 | 26 28 17 33 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( W .\/ Y ) e. B ) |
| 35 | 1 4 | latmcl | |- ( ( K e. Lat /\ X e. B /\ ( W .\/ Y ) e. B ) -> ( X ./\ ( W .\/ Y ) ) e. B ) |
| 36 | 26 14 34 35 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( X ./\ ( W .\/ Y ) ) e. B ) |
| 37 | 1 8 | opcon3b | |- ( ( K e. OP /\ ( ( X ./\ W ) .\/ Y ) e. B /\ ( X ./\ ( W .\/ Y ) ) e. B ) -> ( ( ( X ./\ W ) .\/ Y ) = ( X ./\ ( W .\/ Y ) ) <-> ( ( oc ` K ) ` ( X ./\ ( W .\/ Y ) ) ) = ( ( oc ` K ) ` ( ( X ./\ W ) .\/ Y ) ) ) ) |
| 38 | 13 32 36 37 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( ( X ./\ W ) .\/ Y ) = ( X ./\ ( W .\/ Y ) ) <-> ( ( oc ` K ) ` ( X ./\ ( W .\/ Y ) ) ) = ( ( oc ` K ) ` ( ( X ./\ W ) .\/ Y ) ) ) ) |
| 39 | hlol | |- ( K e. HL -> K e. OL ) |
|
| 40 | 6 39 | syl | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> K e. OL ) |
| 41 | 1 3 4 8 | oldmm1 | |- ( ( K e. OL /\ X e. B /\ ( W .\/ Y ) e. B ) -> ( ( oc ` K ) ` ( X ./\ ( W .\/ Y ) ) ) = ( ( ( oc ` K ) ` X ) .\/ ( ( oc ` K ) ` ( W .\/ Y ) ) ) ) |
| 42 | 40 14 34 41 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( oc ` K ) ` ( X ./\ ( W .\/ Y ) ) ) = ( ( ( oc ` K ) ` X ) .\/ ( ( oc ` K ) ` ( W .\/ Y ) ) ) ) |
| 43 | 1 3 4 8 | oldmj1 | |- ( ( K e. OL /\ W e. B /\ Y e. B ) -> ( ( oc ` K ) ` ( W .\/ Y ) ) = ( ( ( oc ` K ) ` W ) ./\ ( ( oc ` K ) ` Y ) ) ) |
| 44 | 40 28 17 43 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( oc ` K ) ` ( W .\/ Y ) ) = ( ( ( oc ` K ) ` W ) ./\ ( ( oc ` K ) ` Y ) ) ) |
| 45 | 44 | oveq2d | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( ( oc ` K ) ` X ) .\/ ( ( oc ` K ) ` ( W .\/ Y ) ) ) = ( ( ( oc ` K ) ` X ) .\/ ( ( ( oc ` K ) ` W ) ./\ ( ( oc ` K ) ` Y ) ) ) ) |
| 46 | 42 45 | eqtrd | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( oc ` K ) ` ( X ./\ ( W .\/ Y ) ) ) = ( ( ( oc ` K ) ` X ) .\/ ( ( ( oc ` K ) ` W ) ./\ ( ( oc ` K ) ` Y ) ) ) ) |
| 47 | 1 3 4 8 | oldmj1 | |- ( ( K e. OL /\ ( X ./\ W ) e. B /\ Y e. B ) -> ( ( oc ` K ) ` ( ( X ./\ W ) .\/ Y ) ) = ( ( ( oc ` K ) ` ( X ./\ W ) ) ./\ ( ( oc ` K ) ` Y ) ) ) |
| 48 | 40 30 17 47 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( oc ` K ) ` ( ( X ./\ W ) .\/ Y ) ) = ( ( ( oc ` K ) ` ( X ./\ W ) ) ./\ ( ( oc ` K ) ` Y ) ) ) |
| 49 | 1 3 4 8 | oldmm1 | |- ( ( K e. OL /\ X e. B /\ W e. B ) -> ( ( oc ` K ) ` ( X ./\ W ) ) = ( ( ( oc ` K ) ` X ) .\/ ( ( oc ` K ) ` W ) ) ) |
| 50 | 40 14 28 49 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( oc ` K ) ` ( X ./\ W ) ) = ( ( ( oc ` K ) ` X ) .\/ ( ( oc ` K ) ` W ) ) ) |
| 51 | 50 | oveq1d | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( ( oc ` K ) ` ( X ./\ W ) ) ./\ ( ( oc ` K ) ` Y ) ) = ( ( ( ( oc ` K ) ` X ) .\/ ( ( oc ` K ) ` W ) ) ./\ ( ( oc ` K ) ` Y ) ) ) |
| 52 | 48 51 | eqtrd | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( oc ` K ) ` ( ( X ./\ W ) .\/ Y ) ) = ( ( ( ( oc ` K ) ` X ) .\/ ( ( oc ` K ) ` W ) ) ./\ ( ( oc ` K ) ` Y ) ) ) |
| 53 | 46 52 | eqeq12d | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( ( oc ` K ) ` ( X ./\ ( W .\/ Y ) ) ) = ( ( oc ` K ) ` ( ( X ./\ W ) .\/ Y ) ) <-> ( ( ( oc ` K ) ` X ) .\/ ( ( ( oc ` K ) ` W ) ./\ ( ( oc ` K ) ` Y ) ) ) = ( ( ( ( oc ` K ) ` X ) .\/ ( ( oc ` K ) ` W ) ) ./\ ( ( oc ` K ) ` Y ) ) ) ) |
| 54 | 38 53 | bitrd | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( ( X ./\ W ) .\/ Y ) = ( X ./\ ( W .\/ Y ) ) <-> ( ( ( oc ` K ) ` X ) .\/ ( ( ( oc ` K ) ` W ) ./\ ( ( oc ` K ) ` Y ) ) ) = ( ( ( ( oc ` K ) ` X ) .\/ ( ( oc ` K ) ` W ) ) ./\ ( ( oc ` K ) ` Y ) ) ) ) |
| 55 | 25 54 | mpbird | |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ Y e. B ) /\ Y .<_ X ) -> ( ( X ./\ W ) .\/ Y ) = ( X ./\ ( W .\/ Y ) ) ) |