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| Mirrors > Home > ILE Home > Th. List > csbwrdg | Unicode version | ||
| Description: Class substitution for the symbols of a word. (Contributed by Alexander van der Vekens, 15-Jul-2018.) |
| Ref | Expression |
|---|---|
| csbwrdg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-word 11250 |
. . 3
| |
| 2 | 1 | csbeq2i 3168 |
. 2
|
| 3 | sbcrex 3125 |
. . . . 5
| |
| 4 | sbcfg 5512 |
. . . . . . 7
| |
| 5 | csbconstg 3155 |
. . . . . . . 8
| |
| 6 | csbconstg 3155 |
. . . . . . . 8
| |
| 7 | csbvarg 3169 |
. . . . . . . 8
| |
| 8 | 5, 6, 7 | feq123d 5504 |
. . . . . . 7
|
| 9 | 4, 8 | bitrd 188 |
. . . . . 6
|
| 10 | 9 | rexbidv 2545 |
. . . . 5
|
| 11 | 3, 10 | bitrid 192 |
. . . 4
|
| 12 | 11 | abbidv 2354 |
. . 3
|
| 13 | csbabg 3203 |
. . 3
| |
| 14 | df-word 11250 |
. . . 4
| |
| 15 | 14 | a1i 9 |
. . 3
|
| 16 | 12, 13, 15 | 3eqtr4d 2277 |
. 2
|
| 17 | 2, 16 | eqtrid 2279 |
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-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-sbc 3046 df-csb 3142 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-br 4115 df-opab 4177 df-id 4419 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-fun 5359 df-fn 5360 df-f 5361 df-word 11250 |
| This theorem is referenced by: elovmpowrd 11291 |
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