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Mirrors > Home > MPE Home > Th. List > fconstmpt | Structured version Visualization version Unicode version |
Description: Representation of a
constant function using the mapping operation.
(Note that ![]() ![]() |
Ref | Expression |
---|---|
fconstmpt |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elsn 3984 |
. . . 4
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2 | 1 | anbi2i 701 |
. . 3
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3 | 2 | opabbii 4470 |
. 2
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4 | df-xp 4843 |
. 2
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5 | df-mpt 4466 |
. 2
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6 | 3, 4, 5 | 3eqtr4i 2485 |
1
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