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Description: Lemma for paddass . Use paddasslem4 to eliminate s from paddasslem9 . (Contributed by NM, 9-Jan-2012)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | paddasslem.l | |- .<_ = ( le ` K ) |
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| paddasslem.j | |- .\/ = ( join ` K ) |
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| paddasslem.a | |- A = ( Atoms ` K ) |
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| paddasslem.p | |- .+ = ( +P ` K ) |
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| Assertion | paddasslem10 | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | paddasslem.l | |- .<_ = ( le ` K ) |
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| 2 | paddasslem.j | |- .\/ = ( join ` K ) |
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| 3 | paddasslem.a | |- A = ( Atoms ` K ) |
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| 4 | paddasslem.p | |- .+ = ( +P ` K ) |
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| 5 | simpl11 | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> K e. HL ) |
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| 6 | simpl3l | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> p e. A ) |
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| 7 | simpl3r | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> r e. A ) |
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| 8 | 5 6 7 | 3jca | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> ( K e. HL /\ p e. A /\ r e. A ) ) |
| 9 | an6 | |- ( ( ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( x e. X /\ y e. Y /\ z e. Z ) ) <-> ( ( X C_ A /\ x e. X ) /\ ( Y C_ A /\ y e. Y ) /\ ( Z C_ A /\ z e. Z ) ) ) |
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| 10 | ssel2 | |- ( ( X C_ A /\ x e. X ) -> x e. A ) |
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| 11 | ssel2 | |- ( ( Y C_ A /\ y e. Y ) -> y e. A ) |
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| 12 | ssel2 | |- ( ( Z C_ A /\ z e. Z ) -> z e. A ) |
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| 13 | 10 11 12 | 3anim123i | |- ( ( ( X C_ A /\ x e. X ) /\ ( Y C_ A /\ y e. Y ) /\ ( Z C_ A /\ z e. Z ) ) -> ( x e. A /\ y e. A /\ z e. A ) ) |
| 14 | 9 13 | sylbi | |- ( ( ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( x e. X /\ y e. Y /\ z e. Z ) ) -> ( x e. A /\ y e. A /\ z e. A ) ) |
| 15 | 14 | 3ad2antl2 | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( x e. X /\ y e. Y /\ z e. Z ) ) -> ( x e. A /\ y e. A /\ z e. A ) ) |
| 16 | 15 | adantrr | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> ( x e. A /\ y e. A /\ z e. A ) ) |
| 17 | simpl12 | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> p =/= z ) |
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| 18 | simpl13 | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> x =/= y ) |
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| 19 | simprr1 | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> -. r .<_ ( x .\/ y ) ) |
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| 20 | 17 18 19 | 3jca | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> ( p =/= z /\ x =/= y /\ -. r .<_ ( x .\/ y ) ) ) |
| 21 | simprr2 | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> p .<_ ( x .\/ r ) ) |
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| 22 | simprr3 | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> r .<_ ( y .\/ z ) ) |
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| 23 | 1 2 3 | paddasslem4 | |- ( ( ( ( K e. HL /\ p e. A /\ r e. A ) /\ ( x e. A /\ y e. A /\ z e. A ) /\ ( p =/= z /\ x =/= y /\ -. r .<_ ( x .\/ y ) ) ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> E. s e. A ( s .<_ ( x .\/ y ) /\ s .<_ ( p .\/ z ) ) ) |
| 24 | 8 16 20 21 22 23 | syl32anc | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> E. s e. A ( s .<_ ( x .\/ y ) /\ s .<_ ( p .\/ z ) ) ) |
| 25 | simpl2 | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> ( X C_ A /\ Y C_ A /\ Z C_ A ) ) |
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| 26 | simpl3 | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> ( p e. A /\ r e. A ) ) |
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| 27 | 5 25 26 | 3jca | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> ( K e. HL /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) ) |
| 28 | 27 | adantr | |- ( ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) /\ ( s e. A /\ ( s .<_ ( x .\/ y ) /\ s .<_ ( p .\/ z ) ) ) ) -> ( K e. HL /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) ) |
| 29 | simplrl | |- ( ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) /\ ( s e. A /\ ( s .<_ ( x .\/ y ) /\ s .<_ ( p .\/ z ) ) ) ) -> ( x e. X /\ y e. Y /\ z e. Z ) ) |
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| 30 | 19 22 | jca | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> ( -. r .<_ ( x .\/ y ) /\ r .<_ ( y .\/ z ) ) ) |
| 31 | 30 | adantr | |- ( ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) /\ ( s e. A /\ ( s .<_ ( x .\/ y ) /\ s .<_ ( p .\/ z ) ) ) ) -> ( -. r .<_ ( x .\/ y ) /\ r .<_ ( y .\/ z ) ) ) |
| 32 | simprl | |- ( ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) /\ ( s e. A /\ ( s .<_ ( x .\/ y ) /\ s .<_ ( p .\/ z ) ) ) ) -> s e. A ) |
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| 33 | simprrl | |- ( ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) /\ ( s e. A /\ ( s .<_ ( x .\/ y ) /\ s .<_ ( p .\/ z ) ) ) ) -> s .<_ ( x .\/ y ) ) |
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| 34 | simprrr | |- ( ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) /\ ( s e. A /\ ( s .<_ ( x .\/ y ) /\ s .<_ ( p .\/ z ) ) ) ) -> s .<_ ( p .\/ z ) ) |
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| 35 | 32 33 34 | 3jca | |- ( ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) /\ ( s e. A /\ ( s .<_ ( x .\/ y ) /\ s .<_ ( p .\/ z ) ) ) ) -> ( s e. A /\ s .<_ ( x .\/ y ) /\ s .<_ ( p .\/ z ) ) ) |
| 36 | 1 2 3 4 | paddasslem9 | |- ( ( ( K e. HL /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ r .<_ ( y .\/ z ) ) /\ ( s e. A /\ s .<_ ( x .\/ y ) /\ s .<_ ( p .\/ z ) ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) |
| 37 | 28 29 31 35 36 | syl13anc | |- ( ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) /\ ( s e. A /\ ( s .<_ ( x .\/ y ) /\ s .<_ ( p .\/ z ) ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) |
| 38 | 24 37 | rexlimddv | |- ( ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( -. r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) |