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| Mirrors > Home > ILE Home > Th. List > slotex | GIF version | ||
| Description: Existence of slot value. A corollary of slotslfn 13430. (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 13430 | . 2 ⊢ 𝐸 Fn V |
| 3 | elex 2833 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ V) | |
| 4 | funfvex 5712 | . . 3 ⊢ ((Fun 𝐸 ∧ 𝐴 ∈ dom 𝐸) → (𝐸‘𝐴) ∈ V) | |
| 5 | 4 | funfni 5483 | . 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 |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 = wceq 1402 ∈ wcel 2209 Vcvv 2821 Fn wfn 5372 ‘cfv 5377 ℕcn 9307 ndxcnx 13401 Slot cslot 13403 |
| This proof depends on 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 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 |
| This proof 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 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-iota 5337 df-fun 5379 df-fn 5380 df-fv 5385 df-slot 13408 |
| This theorem is used by: topnfn 13651 topnvalg 13658 topnidg 13659 imasex 13679 imasival 13680 imasbas 13681 imasplusg 13682 imasmulr 13683 imasaddfn 13691 imasaddval 13692 imasaddf 13693 imasmulfn 13694 imasmulval 13695 imasmulf 13696 qusaddval 13709 qusaddf 13710 qusmulval 13711 qusmulf 13712 ismgm 13730 plusfvalg 13736 plusffng 13738 gzsumsplit1r 13768 issgrp 13771 ismnddef 13784 gzsumwsubmcl 13854 gzsumwmhm 13856 gzsumcl 13857 grppropstrg 13877 grpsubval 13904 mulgval 13978 mulgfng 13980 mulgnngzsum 13983 mulg1 13985 mulgnnp1 13986 mulgnndir 14007 subgintm 14054 isnsg 14058 gzsumreidx 14225 gzsumsubmcl 14226 gzsumconst 14227 gzsummhm 14229 gzsumshift 14233 gsumvalfi 14236 prdsplusgfval 14268 prdsmulrfval 14270 xpsval 14285 pwsval 14288 pwsbas 14289 pwsplusgval 14292 pwsmulrval 14293 pwsmnd 14296 pws0g 14297 pwsgrp 14298 pwsinvg 14299 fnmgp 14303 mgpvalg 14304 mgpplusgg 14305 mgpex 14307 mgpbasg 14308 mgpscag 14310 mgptsetg 14311 mgpdsg 14313 mgpress 14314 isrng 14317 issrg 14353 isring 14388 opprvalg 14458 opprmulfvalg 14459 opprex 14462 opprsllem 14463 subrngintm 14604 islmod 14711 scaffvalg 14727 scafvalg 14728 scaffng 14730 rmodislmodlem 14771 rmodislmod 14772 lsssn0 14791 lss1d 14804 lssintclm 14805 ellspsn 14838 sraval 14858 sralemg 14859 srascag 14863 sravscag 14864 sraipg 14865 sraex 14867 crngridl 14951 znbaslemnn 15058 isassa 15086 asclfval 15105 psrmulrg 15158 iedgvalg 16424 iedgex 16426 edgvalg 16466 edgstruct 16471 |
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