Metamath Proof Explorer
Description: Substitution of equal classes into a restricted universal quantifier.
(Contributed by Matthew House, 21-Jul-2025)
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Ref |
Expression |
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Hypotheses |
raleqtrdv.1 |
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raleqtrdv.2 |
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Assertion |
raleqtrdv |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
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raleqtrdv.1 |
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2 |
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raleqtrdv.2 |
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3 |
2
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raleqdv |
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4 |
1 3
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mpbid |
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