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Mirrors > Home > NFE Home > Th. List > ceqsexv | Unicode version |
Description: Elimination of an existential quantifier, using implicit substitution. (Contributed by NM, 2-Mar-1995.) |
Ref | Expression |
---|---|
ceqsexv.1 |
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ceqsexv.2 |
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Ref | Expression |
---|---|
ceqsexv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfv 1619 |
. 2
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2 | ceqsexv.1 |
. 2
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3 | ceqsexv.2 |
. 2
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4 | 1, 2, 3 | ceqsex 2894 |
1
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