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| Mirrors > Home > ILE Home > Th. List > slotex | GIF version | ||
| Description: Existence of slot value. A corollary of slotslfn 13188. (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 13188 | . 2 ⊢ 𝐸 Fn V |
| 3 | elex 2815 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ V) | |
| 4 | funfvex 5665 | . . 3 ⊢ ((Fun 𝐸 ∧ 𝐴 ∈ dom 𝐸) → (𝐸‘𝐴) ∈ V) | |
| 5 | 4 | funfni 5439 | . 2 ⊢ ((𝐸 Fn V ∧ 𝐴 ∈ V) → (𝐸‘𝐴) ∈ V) |
| 6 | 2, 3, 5 | sylancr 414 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐸‘𝐴) ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2202 Vcvv 2803 Fn wfn 5328 ‘cfv 5333 ℕcn 9202 ndxcnx 13159 Slot cslot 13161 |
| 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 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-v 2805 df-sbc 3033 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-iota 5293 df-fun 5335 df-fn 5336 df-fv 5341 df-slot 13166 |
| This theorem is referenced by: topnfn 13407 topnvalg 13414 topnidg 13415 prdsplusgfval 13447 prdsmulrfval 13449 pwsval 13454 pwsbas 13455 pwsplusgval 13458 pwsmulrval 13459 imasex 13468 imasival 13469 imasbas 13470 imasplusg 13471 imasmulr 13472 imasaddfn 13480 imasaddval 13481 imasaddf 13482 imasmulfn 13483 imasmulval 13484 imasmulf 13485 qusaddval 13498 qusaddf 13499 qusmulval 13500 qusmulf 13501 xpsval 13515 ismgm 13520 plusfvalg 13526 plusffng 13528 gsumpropd2 13556 gsumsplit1r 13561 gsumprval 13562 issgrp 13566 ismnddef 13581 pwsmnd 13613 pws0g 13614 gsumfzz 13658 gsumwsubmcl 13659 gsumwmhm 13661 gsumfzcl 13662 grppropstrg 13682 grpsubval 13709 pwsgrp 13774 pwsinvg 13775 mulgval 13789 mulgfng 13791 mulgnngsum 13794 mulg1 13796 mulgnnp1 13797 mulgnndir 13818 subgintm 13865 isnsg 13869 gsumfzreidx 14004 gsumfzsubmcl 14005 gsumfzmptfidmadd 14006 gsumfzconst 14008 gsumfzmhm 14010 fnmgp 14016 mgpvalg 14017 mgpplusgg 14018 mgpex 14019 mgpbasg 14020 mgpscag 14021 mgptsetg 14022 mgpdsg 14024 mgpress 14025 isrng 14028 issrg 14059 isring 14094 opprvalg 14163 opprmulfvalg 14164 opprex 14167 opprsllem 14168 subrngintm 14307 islmod 14387 scaffvalg 14402 scafvalg 14403 scaffng 14405 rmodislmodlem 14446 rmodislmod 14447 lsssn0 14466 lss1d 14479 lssintclm 14480 ellspsn 14513 sraval 14533 sralemg 14534 srascag 14538 sravscag 14539 sraipg 14540 sraex 14542 crngridl 14626 znbaslemnn 14735 iedgvalg 15958 iedgex 15960 edgvalg 16000 edgstruct 16005 gfsumval 16809 gsumgfsumlem 16812 |
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