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Mirrors > Home > ILE Home > Th. List > csbfv12g | Unicode version |
Description: Move class substitution in and out of a function value. (Contributed by NM, 11-Nov-2005.) |
Ref | Expression |
---|---|
csbfv12g |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | csbiotag 5124 |
. . 3
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2 | sbcbrg 3990 |
. . . . 5
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3 | csbconstg 3021 |
. . . . . 6
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4 | 3 | breq2d 3949 |
. . . . 5
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5 | 2, 4 | bitrd 187 |
. . . 4
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6 | 5 | iotabidv 5117 |
. . 3
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7 | 1, 6 | eqtrd 2173 |
. 2
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8 | df-fv 5139 |
. . 3
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9 | 8 | csbeq2i 3034 |
. 2
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10 | df-fv 5139 |
. 2
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11 | 7, 9, 10 | 3eqtr4g 2198 |
1
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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 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-rex 2423 df-v 2691 df-sbc 2914 df-csb 3008 df-un 3080 df-sn 3538 df-pr 3539 df-op 3541 df-uni 3745 df-br 3938 df-iota 5096 df-fv 5139 |
This theorem is referenced by: csbfv2g 5466 |
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