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| Mirrors > Home > ILE Home > Th. List > baseslid | GIF version | ||
| Description: The base set extractor is a slot. (Contributed by Jim Kingdon, 31-Jan-2023.) |
| Ref | Expression |
|---|---|
| baseslid | ⊢ (Base = Slot (Base‘ndx) ∧ (Base‘ndx) ∈ ℕ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | baseid 13350 | . 2 ⊢ Base = Slot (Base‘ndx) | |
| 2 | basendxnn 13352 | . 2 ⊢ (Base‘ndx) ∈ ℕ | |
| 3 | 1, 2 | ndxslid 13321 | 1 ⊢ (Base = Slot (Base‘ndx) ∧ (Base‘ndx) ∈ ℕ) |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 104 = wceq 1398 ∈ wcel 2205 ‘cfv 5357 ℕcn 9254 ndxcnx 13293 Slot cslot 13295 Basecbs 13296 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-cnex 8234 ax-resscn 8235 ax-1re 8237 ax-addrcl 8240 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-sbc 3046 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-iota 5317 df-fun 5359 df-fv 5365 df-inn 9255 df-ndx 13299 df-slot 13300 df-base 13302 |
| This theorem is referenced by: basfn 13355 ressbasd 13364 opelstrbas 13412 1strbas 13414 2strbasg 13417 topnfn 13541 topnvalg 13548 topnidg 13549 mgpbasg 14154 opprbasg 14303 rmodislmod 14611 srabaseg 14699 cnfldbas 14820 setsmsbasg 15456 setsvtx 16158 |
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