Proof of Theorem ltasr
| Step | Hyp | Ref
| Expression |
| 1 | | ltasr.2 |
. 2
⊢ B
∈ V |
| 2 | | dmaddsr 3988 |
. 2
⊢ dom +R =
(R × R) |
| 3 | | ltasr.1 |
. 2
⊢ A
∈ V |
| 4 | | ltrelsr 3974 |
. 2
⊢ <R ⊆
(R × R) |
| 5 | | 0nsr 3982 |
. 2
⊢ ¬ ∅ ∈
R |
| 6 | | df-nr 3961 |
. . . 4
⊢ R = ((P
× P) / ~R ) |
| 7 | | opreq1 3006 |
. . . . . 6
⊢ ([〈v, u〉]
~R = C →
([〈v, u〉] ~R
+R [〈x,
y〉] ~R ) =
(C +R
[〈x, y〉] ~R )) |
| 8 | | opreq1 3006 |
. . . . . 6
⊢ ([〈v, u〉]
~R = C →
([〈v, u〉] ~R
+R [〈z,
w〉] ~R ) =
(C +R
[〈z, w〉] ~R )) |
| 9 | 7, 8 | breq12d 2073 |
. . . . 5
⊢ ([〈v, u〉]
~R = C →
(([〈v, u〉] ~R
+R [〈x,
y〉] ~R )
<R ([〈v,
u〉] ~R
+R [〈z,
w〉] ~R )
↔ (C +R
[〈x, y〉] ~R )
<R (C
+R [〈z,
w〉] ~R
))) |
| 10 | 9 | bibi2d 470 |
. . . 4
⊢ ([〈v, u〉]
~R = C →
(([〈x, y〉] ~R
<R [〈z,
w〉] ~R ↔
([〈v, u〉] ~R
+R [〈x,
y〉] ~R )
<R ([〈v,
u〉] ~R
+R [〈z,
w〉] ~R ))
↔ ([〈x, y〉] ~R
<R [〈z,
w〉] ~R ↔
(C +R
[〈x, y〉] ~R )
<R (C
+R [〈z,
w〉] ~R
)))) |
| 11 | | breq1 2065 |
. . . . 5
⊢ ([〈x, y〉]
~R = A →
([〈x, y〉] ~R
<R [〈z,
w〉] ~R ↔
A <R
[〈z, w〉] ~R )) |
| 12 | | opreq2 3007 |
. . . . . 6
⊢ ([〈x, y〉]
~R = A →
(C +R
[〈x, y〉] ~R ) = (C +R A)) |
| 13 | 12 | breq1d 2071 |
. . . . 5
⊢ ([〈x, y〉]
~R = A →
((C +R
[〈x, y〉] ~R )
<R (C
+R [〈z,
w〉] ~R )
↔ (C +R
A) <R (C +R [〈z, w〉]
~R ))) |
| 14 | 11, 13 | bibi12d 477 |
. . . 4
⊢ ([〈x, y〉]
~R = A →
(([〈x, y〉] ~R
<R [〈z,
w〉] ~R ↔
(C +R
[〈x, y〉] ~R )
<R (C
+R [〈z,
w〉] ~R ))
↔ (A <R
[〈z, w〉] ~R ↔
(C +R A) <R (C +R [〈z, w〉]
~R )))) |
| 15 | | breq2 2066 |
. . . . 5
⊢ ([〈z, w〉]
~R = B →
(A <R
[〈z, w〉] ~R ↔ A <R B)) |
| 16 | | opreq2 3007 |
. . . . . 6
⊢ ([〈z, w〉]
~R = B →
(C +R
[〈z, w〉] ~R ) = (C +R B)) |
| 17 | 16 | breq2d 2072 |
. . . . 5
⊢ ([〈z, w〉]
~R = B →
((C +R A) <R (C +R [〈z, w〉]
~R ) ↔ (C
+R A)
<R (C
+R B))) |
| 18 | 15, 17 | bibi12d 477 |
. . . 4
⊢ ([〈z, w〉]
~R = B →
((A <R
[〈z, w〉] ~R ↔
(C +R A) <R (C +R [〈z, w〉]
~R )) ↔ (A
<R B ↔
(C +R A) <R (C +R B)))) |
| 19 | | addclpr 3914 |
. . . . . . . 8
⊢ ((v
∈ P ∧ u ∈
P) → (v
+P u) ∈
P) |
| 20 | 19 | adantr 306 |
. . . . . . 7
⊢ (((v
∈ P ∧ u ∈
P) ∧ (x ∈
P ∧ y ∈
P)) → (v
+P u) ∈
P) |
| 21 | 20 | 3adant3 599 |
. . . . . 6
⊢ (((v
∈ P ∧ u ∈
P) ∧ (x ∈
P ∧ y ∈
P) ∧ (z ∈
P ∧ w ∈
P)) → (v
+P u) ∈
P) |
| 22 | | oprex 3018 |
. . . . . . . 8
⊢ (x
+P w) ∈
V |
| 23 | | oprex 3018 |
. . . . . . . 8
⊢ (y
+P z) ∈
V |
| 24 | 22, 23 | ltapr 3945 |
. . . . . . 7
⊢ ((v
+P u) ∈
P → ((x
+P w)<P (y +P z) ↔ ((v
+P u)
+P (x
+P w))<P ((v +P u) +P (y +P z)))) |
| 25 | | visset 1350 |
. . . . . . . 8
⊢ x
∈ V |
| 26 | | visset 1350 |
. . . . . . . 8
⊢ y
∈ V |
| 27 | | visset 1350 |
. . . . . . . 8
⊢ z
∈ V |
| 28 | | visset 1350 |
. . . . . . . 8
⊢ w
∈ V |
| 29 | 25, 26, 27, 28 | ltsrpr 3980 |
. . . . . . 7
⊢ ([〈x, y〉]
~R <R [〈z, w〉]
~R ↔ (x
+P w)<P (y +P z)) |
| 30 | | oprex 3018 |
. . . . . . . . 9
⊢ (v
+P x) ∈
V |
| 31 | | oprex 3018 |
. . . . . . . . 9
⊢ (u
+P y) ∈
V |
| 32 | | oprex 3018 |
. . . . . . . . 9
⊢ (v
+P z) ∈
V |
| 33 | | oprex 3018 |
. . . . . . . . 9
⊢ (u
+P w) ∈
V |
| 34 | 30, 31, 32, 33 | ltsrpr 3980 |
. . . . . . . 8
⊢ ([〈(v +P x), (u
+P y)〉]
~R <R [〈(v +P z), (u
+P w)〉]
~R ↔ ((v
+P x)
+P (u
+P w))<P ((u +P y) +P (v +P z))) |
| 35 | | visset 1350 |
. . . . . . . . . 10
⊢ v
∈ V |
| 36 | | visset 1350 |
. . . . . . . . . 10
⊢ u
∈ V |
| 37 | 26, 27 | addcompr 3917 |
. . . . . . . . . 10
⊢ (y
+P z) = (z +P y) |
| 38 | | visset 1350 |
. . . . . . . . . . 11
⊢ f
∈ V |
| 39 | 27, 38 | addasspr 3918 |
. . . . . . . . . 10
⊢ ((y
+P z)
+P f) = (y +P (z +P f)) |
| 40 | 35, 25, 36, 37, 39, 28 | caopr4 3078 |
. . . . . . . . 9
⊢ ((v
+P x)
+P (u
+P w)) =
((v +P u) +P (x +P w)) |
| 41 | 31, 32 | addcompr 3917 |
. . . . . . . . . 10
⊢ ((u
+P y)
+P (v
+P z)) =
((v +P z) +P (u +P y)) |
| 42 | 25, 28 | addcompr 3917 |
. . . . . . . . . . 11
⊢ (x
+P w) = (w +P x) |
| 43 | 28, 38 | addasspr 3918 |
. . . . . . . . . . 11
⊢ ((x
+P w)
+P f) = (x +P (w +P f)) |
| 44 | 35, 27, 36, 42, 43, 26 | caopr42 3080 |
. . . . . . . . . 10
⊢ ((v
+P z)
+P (u
+P y)) =
((v +P u) +P (y +P z)) |
| 45 | 41, 44 | eqtr 1119 |
. . . . . . . . 9
⊢ ((u
+P y)
+P (v
+P z)) =
((v +P u) +P (y +P z)) |
| 46 | 40, 45 | breq12i 2070 |
. . . . . . . 8
⊢ (((v
+P x)
+P (u
+P w))<P ((u +P y) +P (v +P z)) ↔ ((v
+P u)
+P (x
+P w))<P ((v +P u) +P (y +P z))) |
| 47 | 34, 46 | bitr 151 |
. . . . . . 7
⊢ ([〈(v +P x), (u
+P y)〉]
~R <R [〈(v +P z), (u
+P w)〉]
~R ↔ ((v
+P u)
+P (x
+P w))<P ((v +P u) +P (y +P z))) |
| 48 | 24, 29, 47 | 3bitr4g 428 |
. . . . . 6
⊢ ((v
+P u) ∈
P → ([〈x, y〉] ~R
<R [〈z,
w〉] ~R ↔
[〈(v +P
x), (u
+P y)〉]
~R <R [〈(v +P z), (u
+P w)〉]
~R )) |
| 49 | 21, 48 | syl 12 |
. . . . 5
⊢ (((v
∈ P ∧ u ∈
P) ∧ (x ∈
P ∧ y ∈
P) ∧ (z ∈
P ∧ w ∈
P)) → ([〈x,
y〉] ~R
<R [〈z,
w〉] ~R ↔
[〈(v +P
x), (u
+P y)〉]
~R <R [〈(v +P z), (u
+P w)〉]
~R )) |
| 50 | | addsrpr 3978 |
. . . . . . 7
⊢ (((v
∈ P ∧ u ∈
P) ∧ (x ∈
P ∧ y ∈
P)) → ([〈v,
u〉] ~R
+R [〈x,
y〉] ~R ) =
[〈(v +P
x), (u
+P y)〉]
~R ) |
| 51 | 50 | 3adant3 599 |
. . . . . 6
⊢ (((v
∈ P ∧ u ∈
P) ∧ (x ∈
P ∧ y ∈
P) ∧ (z ∈
P ∧ w ∈
P)) → ([〈v,
u〉] ~R
+R [〈x,
y〉] ~R ) =
[〈(v +P
x), (u
+P y)〉]
~R ) |
| 52 | | addsrpr 3978 |
. . . . . . 7
⊢ (((v
∈ P ∧ u ∈
P) ∧ (z ∈
P ∧ w ∈
P)) → ([〈v,
u〉] ~R
+R [〈z,
w〉] ~R ) =
[〈(v +P
z), (u
+P w)〉]
~R ) |
| 53 | 52 | 3adant2 598 |
. . . . . 6
⊢ (((v
∈ P ∧ u ∈
P) ∧ (x ∈
P ∧ y ∈
P) ∧ (z ∈
P ∧ w ∈
P)) → ([〈v,
u〉] ~R
+R [〈z,
w〉] ~R ) =
[〈(v +P
z), (u
+P w)〉]
~R ) |
| 54 | 51, 53 | breq12d 2073 |
. . . . 5
⊢ (((v
∈ P ∧ u ∈
P) ∧ (x ∈
P ∧ y ∈
P) ∧ (z ∈
P ∧ w ∈
P)) → (([〈v,
u〉] ~R
+R [〈x,
y〉] ~R )
<R ([〈v,
u〉] ~R
+R [〈z,
w〉] ~R )
↔ [〈(v
+P x), (u +P y)〉] ~R
<R [〈(v
+P z), (u +P w)〉] ~R )) |
| 55 | 49, 54 | bitr4d 409 |
. . . 4
⊢ (((v
∈ P ∧ u ∈
P) ∧ (x ∈
P ∧ y ∈
P) ∧ (z ∈
P ∧ w ∈
P)) → ([〈x,
y〉] ~R
<R [〈z,
w〉] ~R ↔
([〈v, u〉] ~R
+R [〈x,
y〉] ~R )
<R ([〈v,
u〉] ~R
+R [〈z,
w〉] ~R
))) |
| 56 | 6, 10, 14, 18, 55 | 3ecoptocl 3241 |
. . 3
⊢ ((C
∈ R ∧ A ∈
R ∧ B ∈
R) → (A
<R B ↔
(C +R A) <R (C +R B))) |
| 57 | 56 | 3coml 617 |
. 2
⊢ ((A
∈ R ∧ B ∈
R ∧ C ∈
R) → (A
<R B ↔
(C +R A) <R (C +R B))) |
| 58 | 1, 2, 3, 4, 5, 57 | ndmord 3064 |
1
⊢ (C
∈ R → (A
<R B ↔
(C +R A) <R (C +R B))) |