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Mirrors > Home > ILE Home > Th. List > breqtrrd | Unicode version |
Description: Substitution of equal classes into a binary relation. (Contributed by NM, 24-Oct-1999.) |
Ref | Expression |
---|---|
breqtrrd.1 |
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breqtrrd.2 |
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Ref | Expression |
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breqtrrd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breqtrrd.1 |
. 2
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2 | breqtrrd.2 |
. . 3
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3 | 2 | eqcomd 2100 |
. 2
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4 | 1, 3 | breqtrd 3891 |
1
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