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Mirrors > Home > ILE Home > Th. List > ffvelrnd | Unicode version |
Description: A function's value belongs to its codomain. (Contributed by Mario Carneiro, 29-Dec-2016.) |
Ref | Expression |
---|---|
ffvelrnd.1 | |
ffvelrnd.2 |
Ref | Expression |
---|---|
ffvelrnd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ffvelrnd.2 | . 2 | |
2 | ffvelrnd.1 | . . 3 | |
3 | 2 | ffvelrnda 5602 | . 2 |
4 | 1, 3 | mpdan 418 | 1 |
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