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Description: Lemma for paddass . Remove p =/= z , x =/= y , and -. r .<_ ( x .\/ y ) from antecedent of paddasslem10 , using paddasslem11 , paddasslem12 , and paddasslem13 . (Contributed by NM, 11-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 | paddasslem14 | |- ( ( ( 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 ) /\ ( 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 ) |
|
| 3 | paddasslem.a | |- A = ( Atoms ` K ) |
|
| 4 | paddasslem.p | |- .+ = ( +P ` K ) |
|
| 5 | 1 2 3 4 | paddasslem11 | |- ( ( ( ( K e. HL /\ p = z ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) ) /\ z e. Z ) -> p e. ( ( X .+ Y ) .+ Z ) ) |
| 6 | 5 | 3ad2antr3 | |- ( ( ( ( K e. HL /\ p = z ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) ) /\ ( x e. X /\ y e. Y /\ z e. Z ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) |
| 7 | 6 | ex | |- ( ( ( K e. HL /\ p = z ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) ) -> ( ( x e. X /\ y e. Y /\ z e. Z ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) |
| 8 | 7 | adantrd | |- ( ( ( K e. HL /\ p = z ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) ) -> ( ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) |
| 9 | 8 | a1d | |- ( ( ( K e. HL /\ p = z ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) ) -> ( ( p e. A /\ r e. A ) -> ( ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) ) |
| 10 | 9 | exp31 | |- ( K e. HL -> ( p = z -> ( ( X C_ A /\ Y C_ A /\ Z C_ A ) -> ( ( p e. A /\ r e. A ) -> ( ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) ) ) ) |
| 11 | 3simpb | |- ( ( K e. HL /\ p =/= z /\ x = y ) -> ( K e. HL /\ x = y ) ) |
|
| 12 | 11 | 3anim1i | |- ( ( ( K e. HL /\ p =/= z /\ x = y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) -> ( ( K e. HL /\ x = y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) ) |
| 13 | 3simpc | |- ( ( x e. X /\ y e. Y /\ z e. Z ) -> ( y e. Y /\ z e. Z ) ) |
|
| 14 | 13 | anim1i | |- ( ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> ( ( y e. Y /\ z e. Z ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) |
| 15 | 1 2 3 4 | paddasslem12 | |- ( ( ( ( K e. HL /\ x = y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( y e. Y /\ z e. Z ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) |
| 16 | 12 14 15 | syl2an | |- ( ( ( ( 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 ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) |
| 17 | 16 | 3exp1 | |- ( ( 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 ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) ) ) |
| 18 | 17 | 3expia | |- ( ( 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 ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) ) ) ) |
| 19 | 3simpa | |- ( ( K e. HL /\ p =/= z /\ x =/= y ) -> ( K e. HL /\ p =/= z ) ) |
|
| 20 | 19 | 3anim1i | |- ( ( ( K e. HL /\ p =/= z /\ x =/= y ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) -> ( ( K e. HL /\ p =/= z ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) ) |
| 21 | 3simpa | |- ( ( x e. X /\ y e. Y /\ z e. Z ) -> ( x e. X /\ y e. Y ) ) |
|
| 22 | 3simpa | |- ( ( r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) -> ( r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) ) ) |
|
| 23 | 21 22 | anim12i | |- ( ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> ( ( x e. X /\ y e. Y ) /\ ( r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) ) ) ) |
| 24 | 1 2 3 4 | paddasslem13 | |- ( ( ( ( K e. HL /\ p =/= z ) /\ ( X C_ A /\ Y C_ A /\ Z C_ A ) /\ ( p e. A /\ r e. A ) ) /\ ( ( x e. X /\ y e. Y ) /\ ( r .<_ ( x .\/ y ) /\ p .<_ ( x .\/ r ) ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) |
| 25 | 20 23 24 | syl2an | |- ( ( ( ( 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 ) ) |
| 26 | 25 | expr | |- ( ( ( ( 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 ) ) ) |
| 27 | 26 | 3expd | |- ( ( ( ( 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 ) ) ) ) ) |
| 28 | 1 2 3 4 | 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 ) ) |
| 29 | 28 | expr | |- ( ( ( ( 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 ) ) ) |
| 30 | 29 | 3expd | |- ( ( ( ( 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 ) ) ) ) ) |
| 31 | 27 30 | pm2.61d | |- ( ( ( ( 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 ) ) -> ( p .<_ ( x .\/ r ) -> ( r .<_ ( y .\/ z ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) ) |
| 32 | 31 | impd | |- ( ( ( ( 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 ) ) -> ( ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) |
| 33 | 32 | expimpd | |- ( ( ( 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 ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) |
| 34 | 33 | 3exp | |- ( ( 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 ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) ) ) |
| 35 | 34 | 3expia | |- ( ( 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 ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) ) ) ) |
| 36 | 18 35 | pm2.61dne | |- ( ( K e. HL /\ p =/= z ) -> ( ( X C_ A /\ Y C_ A /\ Z C_ A ) -> ( ( p e. A /\ r e. A ) -> ( ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) ) ) |
| 37 | 36 | ex | |- ( K e. HL -> ( p =/= z -> ( ( X C_ A /\ Y C_ A /\ Z C_ A ) -> ( ( p e. A /\ r e. A ) -> ( ( ( x e. X /\ y e. Y /\ z e. Z ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) ) ) ) |
| 38 | 10 37 | pm2.61dne | |- ( 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 ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) ) ) ) |
| 39 | 38 | 3imp1 | |- ( ( ( 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 ) /\ ( p .<_ ( x .\/ r ) /\ r .<_ ( y .\/ z ) ) ) ) -> p e. ( ( X .+ Y ) .+ Z ) ) |