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Mirrors > Home > MPE Home > Th. List > cbvrabv | Structured version Visualization version Unicode version |
Description: Rule to change the bound variable in a restricted class abstraction, using implicit substitution. (Contributed by NM, 26-May-1999.) |
Ref | Expression |
---|---|
cbvrabv.1 |
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Ref | Expression |
---|---|
cbvrabv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2764 |
. 2
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2 | nfcv 2764 |
. 2
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3 | nfv 1843 |
. 2
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4 | nfv 1843 |
. 2
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5 | cbvrabv.1 |
. 2
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6 | 1, 2, 3, 4, 5 | cbvrab 3198 |
1
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