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Mirrors > Home > NFE Home > Th. List > df-ins3 | Unicode version |
Description: Define the third insertion operation. (Contributed by SF, 9-Feb-2015.) |
Ref | Expression |
---|---|
df-ins3 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cA |
. . 3
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2 | 1 | cins3 5751 |
. 2
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3 | cvv 2859 |
. . 3
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4 | 1, 3 | ctxp 5735 |
. 2
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5 | 2, 4 | wceq 1642 |
1
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Colors of variables: wff setvar class |
This definition is referenced by: otelins3 5792 ins3exg 5796 |
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