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Mirrors > Home > ILE Home > Th. List > cbvmo | Unicode version |
Description: Rule used to change bound variables, using implicit substitution. (Contributed by NM, 9-Mar-1995.) (Revised by Andrew Salmon, 8-Jun-2011.) |
Ref | Expression |
---|---|
cbvmo.1 |
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cbvmo.2 |
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cbvmo.3 |
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Ref | Expression |
---|---|
cbvmo |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cbvmo.1 |
. . . 4
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2 | cbvmo.2 |
. . . 4
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3 | cbvmo.3 |
. . . 4
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4 | 1, 2, 3 | cbvex 1730 |
. . 3
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5 | 1, 2, 3 | cbveu 2024 |
. . 3
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6 | 4, 5 | imbi12i 238 |
. 2
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7 | df-mo 2004 |
. 2
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8 | df-mo 2004 |
. 2
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9 | 6, 7, 8 | 3bitr4i 211 |
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 |
This theorem depends on definitions: df-bi 116 df-tru 1335 df-nf 1438 df-sb 1737 df-eu 2003 df-mo 2004 |
This theorem is referenced by: dffun6f 5144 |
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