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| Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-evalfun | Structured version Visualization version GIF version | ||
| Description: The evaluation at a class is a function. (Contributed by BJ, 27-Dec-2021.) |
| Ref | Expression |
|---|---|
| bj-evalfun | ⊢ Fun Slot 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-slot 17121 | . 2 ⊢ Slot 𝐴 = (𝑓 ∈ V ↦ (𝑓‘𝐴)) | |
| 2 | 1 | funmpt2 6539 | 1 ⊢ Fun Slot 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: Vcvv 3442 Fun wfun 6494 ‘cfv 6500 Slot cslot 17120 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-pr 5379 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-fun 6502 df-slot 17121 |
| This theorem is referenced by: (None) |
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