Description: Lemma for mapdpg . (Contributed by NM, 20-Mar-2015) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | mapdpglem.h | |- H = ( LHyp ` K ) |
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| mapdpglem.m | |- M = ( ( mapd ` K ) ` W ) |
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| mapdpglem.u | |- U = ( ( DVecH ` K ) ` W ) |
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| mapdpglem.v | |- V = ( Base ` U ) |
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| mapdpglem.s | |- .- = ( -g ` U ) |
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| mapdpglem.n | |- N = ( LSpan ` U ) |
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| mapdpglem.c | |- C = ( ( LCDual ` K ) ` W ) |
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| mapdpglem.k | |- ( ph -> ( K e. HL /\ W e. H ) ) |
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| mapdpglem.x | |- ( ph -> X e. V ) |
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| mapdpglem.y | |- ( ph -> Y e. V ) |
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| mapdpglem1.p | |- .(+) = ( LSSum ` C ) |
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| mapdpglem2.j | |- J = ( LSpan ` C ) |
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| mapdpglem3.f | |- F = ( Base ` C ) |
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| mapdpglem3.te | |- ( ph -> t e. ( ( M ` ( N ` { X } ) ) .(+) ( M ` ( N ` { Y } ) ) ) ) |
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| mapdpglem3.a | |- A = ( Scalar ` U ) |
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| mapdpglem3.b | |- B = ( Base ` A ) |
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| mapdpglem3.t | |- .x. = ( .s ` C ) |
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| mapdpglem3.r | |- R = ( -g ` C ) |
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| mapdpglem3.g | |- ( ph -> G e. F ) |
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| mapdpglem3.e | |- ( ph -> ( M ` ( N ` { X } ) ) = ( J ` { G } ) ) |
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| mapdpglem4.q | |- Q = ( 0g ` U ) |
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| mapdpglem.ne | |- ( ph -> ( N ` { X } ) =/= ( N ` { Y } ) ) |
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| Assertion | mapdpglem4N | |- ( ph -> ( X .- Y ) =/= Q ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mapdpglem.h | |- H = ( LHyp ` K ) |
|
| 2 | mapdpglem.m | |- M = ( ( mapd ` K ) ` W ) |
|
| 3 | mapdpglem.u | |- U = ( ( DVecH ` K ) ` W ) |
|
| 4 | mapdpglem.v | |- V = ( Base ` U ) |
|
| 5 | mapdpglem.s | |- .- = ( -g ` U ) |
|
| 6 | mapdpglem.n | |- N = ( LSpan ` U ) |
|
| 7 | mapdpglem.c | |- C = ( ( LCDual ` K ) ` W ) |
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| 8 | mapdpglem.k | |- ( ph -> ( K e. HL /\ W e. H ) ) |
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| 9 | mapdpglem.x | |- ( ph -> X e. V ) |
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| 10 | mapdpglem.y | |- ( ph -> Y e. V ) |
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| 11 | mapdpglem1.p | |- .(+) = ( LSSum ` C ) |
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| 12 | mapdpglem2.j | |- J = ( LSpan ` C ) |
|
| 13 | mapdpglem3.f | |- F = ( Base ` C ) |
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| 14 | mapdpglem3.te | |- ( ph -> t e. ( ( M ` ( N ` { X } ) ) .(+) ( M ` ( N ` { Y } ) ) ) ) |
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| 15 | mapdpglem3.a | |- A = ( Scalar ` U ) |
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| 16 | mapdpglem3.b | |- B = ( Base ` A ) |
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| 17 | mapdpglem3.t | |- .x. = ( .s ` C ) |
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| 18 | mapdpglem3.r | |- R = ( -g ` C ) |
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| 19 | mapdpglem3.g | |- ( ph -> G e. F ) |
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| 20 | mapdpglem3.e | |- ( ph -> ( M ` ( N ` { X } ) ) = ( J ` { G } ) ) |
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| 21 | mapdpglem4.q | |- Q = ( 0g ` U ) |
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| 22 | mapdpglem.ne | |- ( ph -> ( N ` { X } ) =/= ( N ` { Y } ) ) |
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| 23 | 1 3 8 | dvhlmod | |- ( ph -> U e. LMod ) |
| 24 | 4 21 5 23 9 10 22 | lspsnsubn0 | |- ( ph -> ( X .- Y ) =/= Q ) |