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Mirrors > Home > MPE Home > Th. List > Mathboxes > df-funsALTV | Structured version Visualization version GIF version |
Description: Define the function relations class, i.e., the class of functions. Alternate definitions are dffunsALTV 36406, ... , dffunsALTV5 36410. (Contributed by Peter Mazsa, 17-Jul-2021.) |
Ref | Expression |
---|---|
df-funsALTV | ⊢ FunsALTV = ( Funss ∩ Rels ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cfunsALTV 35975 | . 2 class FunsALTV | |
2 | cfunss 35974 | . . 3 class Funss | |
3 | crels 35947 | . . 3 class Rels | |
4 | 2, 3 | cin 3840 | . 2 class ( Funss ∩ Rels ) |
5 | 1, 4 | wceq 1542 | 1 wff FunsALTV = ( Funss ∩ Rels ) |
Colors of variables: wff setvar class |
This definition is referenced by: dffunsALTV 36406 |
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