| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Define pre-addition on
positive fractions. This is a "temporary" set
used in the construction of complex numbers df-c 5240,
and is intended to
be used only by the construction. This "pre-addition"
operation works
works directly with ordered pairs of integers. The actual positive
fraction addition |
| Ref | Expression |
|---|---|
| df-plpq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cplpq 4976 |
. 2
| |
| 2 | vx |
. . . . . . 7
| |
| 3 | 2 | cv 955 |
. . . . . 6
|
| 4 | cnpi 4972 |
. . . . . . 7
| |
| 5 | 4, 4 | cxp 3168 |
. . . . . 6
|
| 6 | 3, 5 | wcel 958 |
. . . . 5
|
| 7 | vy |
. . . . . . 7
| |
| 8 | 7 | cv 955 |
. . . . . 6
|
| 9 | 8, 5 | wcel 958 |
. . . . 5
|
| 10 | 6, 9 | wa 223 |
. . . 4
|
| 11 | vw |
. . . . . . . . . . . . 13
| |
| 12 | 11 | cv 955 |
. . . . . . . . . . . 12
|
| 13 | vv |
. . . . . . . . . . . . 13
| |
| 14 | 13 | cv 955 |
. . . . . . . . . . . 12
|
| 15 | 12, 14 | cop 2411 |
. . . . . . . . . . 11
|
| 16 | 3, 15 | wceq 956 |
. . . . . . . . . 10
|
| 17 | vu |
. . . . . . . . . . . . 13
| |
| 18 | 17 | cv 955 |
. . . . . . . . . . . 12
|
| 19 | vf |
. . . . . . . . . . . . 13
| |
| 20 | 19 | cv 955 |
. . . . . . . . . . . 12
|
| 21 | 18, 20 | cop 2411 |
. . . . . . . . . . 11
|
| 22 | 8, 21 | wceq 956 |
. . . . . . . . . 10
|
| 23 | 16, 22 | wa 223 |
. . . . . . . . 9
|
| 24 | vz |
. . . . . . . . . . 11
| |
| 25 | 24 | cv 955 |
. . . . . . . . . 10
|
| 26 | cmi 4974 |
. . . . . . . . . . . . 13
| |
| 27 | 12, 20, 26 | co 3963 |
. . . . . . . . . . . 12
|
| 28 | 14, 18, 26 | co 3963 |
. . . . . . . . . . . 12
|
| 29 | cpli 4973 |
. . . . . . . . . . . 12
| |
| 30 | 27, 28, 29 | co 3963 |
. . . . . . . . . . 11
|
| 31 | 14, 20, 26 | co 3963 |
. . . . . . . . . . 11
|
| 32 | 30, 31 | cop 2411 |
. . . . . . . . . 10
|
| 33 | 25, 32 | wceq 956 |
. . . . . . . . 9
|
| 34 | 23, 33 | wa 223 |
. . . . . . . 8
|
| 35 | 34, 19 | wex 980 |
. . . . . . 7
|
| 36 | 35, 17 | wex 980 |
. . . . . 6
|
| 37 | 36, 13 | wex 980 |
. . . . 5
|
| 38 | 37, 11 | wex 980 |
. . . 4
|
| 39 | 10, 38 | wa 223 |
. . 3
|
| 40 | 39, 2, 7, 24 | copab2 3964 |
. 2
|
| 41 | 1, 40 | wceq 956 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: addpipq 5054 |