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| Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-charfun | Unicode version | ||
| Description: Properties of the
characteristic function on the class |
| Ref | Expression |
|---|---|
| bj-charfun.1 |
|
| Ref | Expression |
|---|---|
| bj-charfun |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bj-charfun.1 |
. . 3
| |
| 2 | fmelpw1o 7455 |
. . . 4
| |
| 3 | 2 | a1i 9 |
. . 3
|
| 4 | 1, 3 | fmpt3d 5799 |
. 2
|
| 5 | inss1 3425 |
. . . . 5
| |
| 6 | 5 | a1i 9 |
. . . 4
|
| 7 | difssd 3332 |
. . . 4
| |
| 8 | 6, 7 | unssd 3381 |
. . 3
|
| 9 | elun 3346 |
. . . . 5
| |
| 10 | simpr 110 |
. . . . . . . . . . 11
| |
| 11 | 10 | elin1d 3394 |
. . . . . . . . . 10
|
| 12 | 1 | adantr 276 |
. . . . . . . . . . 11
|
| 13 | 1oex 6585 |
. . . . . . . . . . . . 13
| |
| 14 | 0ex 4214 |
. . . . . . . . . . . . 13
| |
| 15 | 13, 14 | ifelpwun 4578 |
. . . . . . . . . . . 12
|
| 16 | 15 | a1i 9 |
. . . . . . . . . . 11
|
| 17 | 12, 16 | fvmpt2d 5729 |
. . . . . . . . . 10
|
| 18 | 11, 17 | mpdan 421 |
. . . . . . . . 9
|
| 19 | 10 | elin2d 3395 |
. . . . . . . . . 10
|
| 20 | 19 | iftrued 3610 |
. . . . . . . . 9
|
| 21 | 18, 20 | eqtrd 2262 |
. . . . . . . 8
|
| 22 | 1lt2o 6605 |
. . . . . . . 8
| |
| 23 | 21, 22 | eqeltrdi 2320 |
. . . . . . 7
|
| 24 | 23 | ex 115 |
. . . . . 6
|
| 25 | simpr 110 |
. . . . . . . . . . 11
| |
| 26 | 25 | eldifad 3209 |
. . . . . . . . . 10
|
| 27 | 1 | adantr 276 |
. . . . . . . . . . 11
|
| 28 | 15 | a1i 9 |
. . . . . . . . . . 11
|
| 29 | 27, 28 | fvmpt2d 5729 |
. . . . . . . . . 10
|
| 30 | 26, 29 | mpdan 421 |
. . . . . . . . 9
|
| 31 | 25 | eldifbd 3210 |
. . . . . . . . . 10
|
| 32 | 31 | iffalsed 3613 |
. . . . . . . . 9
|
| 33 | 30, 32 | eqtrd 2262 |
. . . . . . . 8
|
| 34 | 0lt2o 6604 |
. . . . . . . 8
| |
| 35 | 33, 34 | eqeltrdi 2320 |
. . . . . . 7
|
| 36 | 35 | ex 115 |
. . . . . 6
|
| 37 | 24, 36 | jaod 722 |
. . . . 5
|
| 38 | 9, 37 | biimtrid 152 |
. . . 4
|
| 39 | 38 | imp 124 |
. . 3
|
| 40 | 4, 8, 39 | resflem 5807 |
. 2
|
| 41 | 21 | ralrimiva 2603 |
. . 3
|
| 42 | 33 | ralrimiva 2603 |
. . 3
|
| 43 | 41, 42 | jca 306 |
. 2
|
| 44 | 4, 40, 43 | jca31 309 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-nul 4213 ax-pow 4262 ax-pr 4297 ax-un 4528 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-nul 3493 df-if 3604 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-br 4087 df-opab 4149 df-mpt 4150 df-tr 4186 df-id 4388 df-iord 4461 df-on 4463 df-suc 4466 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-ima 4736 df-iota 5284 df-fun 5326 df-fn 5327 df-f 5328 df-fv 5332 df-1o 6577 df-2o 6578 |
| This theorem is referenced by: bj-charfundcALT 16340 |
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