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| Description: Complex conjugate distributes over multiplication. Proposition 10-3.4(c) of [Gleason] p. 133. |
| Ref | Expression |
|---|---|
| cjcj.1 |
|
| readd.2 |
|
| Ref | Expression |
|---|---|
| cjmul |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cjcj.1 |
. . . . . . . . 9
| |
| 2 | 1 | recl 6765 |
. . . . . . . 8
|
| 3 | 2 | recn 5314 |
. . . . . . 7
|
| 4 | readd.2 |
. . . . . . . . 9
| |
| 5 | 4 | recl 6765 |
. . . . . . . 8
|
| 6 | 5 | recn 5314 |
. . . . . . 7
|
| 7 | 3, 6 | mulcl 5321 |
. . . . . 6
|
| 8 | 1 | imcl 6766 |
. . . . . . . 8
|
| 9 | 8 | recn 5314 |
. . . . . . 7
|
| 10 | 4 | imcl 6766 |
. . . . . . . 8
|
| 11 | 10 | recn 5314 |
. . . . . . 7
|
| 12 | 9, 11 | mulcl 5321 |
. . . . . 6
|
| 13 | 7, 12 | subcl 5366 |
. . . . 5
|
| 14 | axicn 5270 |
. . . . . 6
| |
| 15 | 3, 11 | mulcl 5321 |
. . . . . . 7
|
| 16 | 9, 6 | mulcl 5321 |
. . . . . . 7
|
| 17 | 15, 16 | addcl 5320 |
. . . . . 6
|
| 18 | 14, 17 | mulcl 5321 |
. . . . 5
|
| 19 | 13, 18 | negsub 5381 |
. . . 4
|
| 20 | 9, 11 | mul2neg 5447 |
. . . . . . 7
|
| 21 | 20 | eqcomi 1479 |
. . . . . 6
|
| 22 | 21 | opreq2i 3972 |
. . . . 5
|
| 23 | 14, 17 | mulneg2 5446 |
. . . . . 6
|
| 24 | 15, 16 | negdi 5448 |
. . . . . . . 8
|
| 25 | 3, 11 | mulneg2 5446 |
. . . . . . . . 9
|
| 26 | 9, 6 | mulneg1 5445 |
. . . . . . . . 9
|
| 27 | 25, 26 | opreq12i 3973 |
. . . . . . . 8
|
| 28 | 24, 27 | eqtr4 1498 |
. . . . . . 7
|
| 29 | 28 | opreq2i 3972 |
. . . . . 6
|
| 30 | 23, 29 | eqtr3 1497 |
. . . . 5
|
| 31 | 22, 30 | opreq12i 3973 |
. . . 4
|
| 32 | 19, 31 | eqtr3 1497 |
. . 3
|
| 33 | 1, 4 | remul 6786 |
. . . 4
|
| 34 | 1, 4 | immul 6787 |
. . . . 5
|
| 35 | 34 | opreq2i 3972 |
. . . 4
|
| 36 | 33, 35 | opreq12i 3973 |
. . 3
|
| 37 | 9 | negcl 5369 |
. . . 4
|
| 38 | 11 | negcl 5369 |
. . . 4
|
| 39 | 3, 37, 6, 38 | crmul 6740 |
. . 3
|
| 40 | 32, 36, 39 | 3eqtr4 1505 |
. 2
|
| 41 | 1, 4 | mulcl 5321 |
. . 3
|
| 42 | cjvalt 6763 |
. . 3
| |
| 43 | 41, 42 | ax-mp 7 |
. 2
|
| 44 | 14, 9 | mulcl 5321 |
. . . . 5
|
| 45 | 3, 44 | negsub 5381 |
. . . 4
|
| 46 | 14, 9 | mulneg2 5446 |
. . . . 5
|
| 47 | 46 | opreq2i 3972 |
. . . 4
|
| 48 | cjvalt 6763 |
. . . . 5
| |
| 49 | 1, 48 | ax-mp 7 |
. . . 4
|
| 50 | 45, 47, 49 | 3eqtr4r 1506 |
. . 3
|
| 51 | 14, 11 | mulcl 5321 |
. . . . 5
|
| 52 | 6, 51 | negsub 5381 |
. . . 4
|
| 53 | 14, 11 | mulneg2 5446 |
. . . . 5
|
| 54 | 53 | opreq2i 3972 |
. . . 4
|