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| Mirrors > Home > ILE Home > Th. List > slotex | GIF version | ||
| Description: Existence of slot value. A corollary of slotslfn 13356. (Contributed by Jim Kingdon, 12-Feb-2023.) |
| Ref | Expression |
|---|---|
| slotslfn.e | ⊢ (𝐸 = Slot (𝐸‘ndx) ∧ (𝐸‘ndx) ∈ ℕ) |
| Ref | Expression |
|---|---|
| slotex | ⊢ (𝐴 ∈ 𝑉 → (𝐸‘𝐴) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | slotslfn.e | . . 3 ⊢ (𝐸 = Slot (𝐸‘ndx) ∧ (𝐸‘ndx) ∈ ℕ) | |
| 2 | 1 | slotslfn 13356 | . 2 ⊢ 𝐸 Fn V |
| 3 | elex 2833 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ V) | |
| 4 | funfvex 5707 | . . 3 ⊢ ((Fun 𝐸 ∧ 𝐴 ∈ dom 𝐸) → (𝐸‘𝐴) ∈ V) | |
| 5 | 4 | funfni 5478 | . 2 ⊢ ((𝐸 Fn V ∧ 𝐴 ∈ V) → (𝐸‘𝐴) ∈ V) |
| 6 | 2, 3, 5 | sylancr 418 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐸‘𝐴) ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1402 ∈ wcel 2209 Vcvv 2821 Fn wfn 5367 ‘cfv 5372 ℕcn 9283 ndxcnx 13327 Slot cslot 13329 |
| 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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-sbc 3052 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-opab 4188 df-mpt 4189 df-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-iota 5332 df-fun 5374 df-fn 5375 df-fv 5380 df-slot 13334 |
| This theorem is referenced by: topnfn 13575 topnvalg 13582 topnidg 13583 imasex 13603 imasival 13604 imasbas 13605 imasplusg 13606 imasmulr 13607 imasaddfn 13615 imasaddval 13616 imasaddf 13617 imasmulfn 13618 imasmulval 13619 imasmulf 13620 qusaddval 13633 qusaddf 13634 qusmulval 13635 qusmulf 13636 ismgm 13654 plusfvalg 13660 plusffng 13662 gzsumsplit1r 13692 issgrp 13695 ismnddef 13708 gzsumwsubmcl 13778 gzsumwmhm 13780 gzsumcl 13781 grppropstrg 13801 grpsubval 13828 mulgval 13902 mulgfng 13904 mulgnngzsum 13907 mulg1 13909 mulgnnp1 13910 mulgnndir 13931 subgintm 13978 isnsg 13982 gzsumreidx 14118 gzsumsubmcl 14119 gzsumconst 14120 gzsummhm 14122 gzsumshift 14126 gsumvalfi 14129 prdsplusgfval 14161 prdsmulrfval 14163 xpsval 14178 pwsval 14181 pwsbas 14182 pwsplusgval 14185 pwsmulrval 14186 pwsmnd 14189 pws0g 14190 pwsgrp 14191 pwsinvg 14192 fnmgp 14196 mgpvalg 14197 mgpplusgg 14198 mgpex 14199 mgpbasg 14200 mgpscag 14201 mgptsetg 14202 mgpdsg 14204 mgpress 14205 isrng 14208 issrg 14243 isring 14278 opprvalg 14347 opprmulfvalg 14348 opprex 14351 opprsllem 14352 subrngintm 14493 islmod 14600 scaffvalg 14615 scafvalg 14616 scaffng 14618 rmodislmodlem 14659 rmodislmod 14660 lsssn0 14679 lss1d 14692 lssintclm 14693 ellspsn 14726 sraval 14746 sralemg 14747 srascag 14751 sravscag 14752 sraipg 14753 sraex 14755 crngridl 14839 znbaslemnn 14946 iedgvalg 16172 iedgex 16174 edgvalg 16214 edgstruct 16219 |
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