Mathbox for BJ |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-evalfn | Structured version Visualization version GIF version |
Description: The evaluation at a class is a function on the universal class. (General form of slotfn 16489). (Contributed by Mario Carneiro, 22-Sep-2015.) (Revised by BJ, 27-Dec-2021.) |
Ref | Expression |
---|---|
bj-evalfn | ⊢ Slot 𝐴 Fn V |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fvex 6676 | . 2 ⊢ (𝑓‘𝐴) ∈ V | |
2 | df-slot 16475 | . 2 ⊢ Slot 𝐴 = (𝑓 ∈ V ↦ (𝑓‘𝐴)) | |
3 | 1, 2 | fnmpti 6484 | 1 ⊢ Slot 𝐴 Fn V |
Colors of variables: wff setvar class |
Syntax hints: Vcvv 3492 Fn wfn 6343 ‘cfv 6348 Slot cslot 16470 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1787 ax-4 1801 ax-5 1902 ax-6 1961 ax-7 2006 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2151 ax-12 2167 ax-ext 2790 ax-sep 5194 ax-nul 5201 ax-pr 5320 |
This theorem depends on definitions: df-bi 208 df-an 397 df-or 842 df-3an 1081 df-tru 1531 df-ex 1772 df-nf 1776 df-sb 2061 df-mo 2615 df-eu 2647 df-clab 2797 df-cleq 2811 df-clel 2890 df-nfc 2960 df-ral 3140 df-rex 3141 df-rab 3144 df-v 3494 df-sbc 3770 df-dif 3936 df-un 3938 df-in 3940 df-ss 3949 df-nul 4289 df-if 4464 df-sn 4558 df-pr 4560 df-op 4564 df-uni 4831 df-br 5058 df-opab 5120 df-mpt 5138 df-id 5453 df-xp 5554 df-rel 5555 df-cnv 5556 df-co 5557 df-dm 5558 df-iota 6307 df-fun 6350 df-fn 6351 df-fv 6356 df-slot 16475 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |