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| Mirrors > Home > ILE Home > Th. List > slotex | GIF version | ||
| Description: Existence of slot value. A corollary of slotslfn 13238. (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 13238 | . 2 ⊢ 𝐸 Fn V |
| 3 | elex 2825 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ V) | |
| 4 | funfvex 5687 | . . 3 ⊢ ((Fun 𝐸 ∧ 𝐴 ∈ dom 𝐸) → (𝐸‘𝐴) ∈ V) | |
| 5 | 4 | funfni 5458 | . 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 2203 Vcvv 2813 Fn wfn 5347 ‘cfv 5352 ℕcn 9237 ndxcnx 13209 Slot cslot 13211 |
| 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 2205 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-un 4554 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-rex 2526 df-v 2815 df-sbc 3043 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-opab 4172 df-mpt 4173 df-id 4414 df-xp 4755 df-rel 4756 df-cnv 4757 df-co 4758 df-dm 4759 df-rn 4760 df-iota 5312 df-fun 5354 df-fn 5355 df-fv 5360 df-slot 13216 |
| This theorem is referenced by: topnfn 13457 topnvalg 13464 topnidg 13465 prdsplusgfval 13497 prdsmulrfval 13499 pwsval 13504 pwsbas 13505 pwsplusgval 13508 pwsmulrval 13509 imasex 13518 imasival 13519 imasbas 13520 imasplusg 13521 imasmulr 13522 imasaddfn 13530 imasaddval 13531 imasaddf 13532 imasmulfn 13533 imasmulval 13534 imasmulf 13535 qusaddval 13548 qusaddf 13549 qusmulval 13550 qusmulf 13551 xpsval 13565 ismgm 13570 plusfvalg 13576 plusffng 13578 gsumpropd2 13606 gsumsplit1r 13611 gsumprval 13612 issgrp 13616 ismnddef 13631 pwsmnd 13663 pws0g 13664 gsumfzz 13708 gsumwsubmcl 13709 gsumwmhm 13711 gsumfzcl 13712 grppropstrg 13732 grpsubval 13759 pwsgrp 13824 pwsinvg 13825 mulgval 13839 mulgfng 13841 mulgnngsum 13844 mulg1 13846 mulgnnp1 13847 mulgnndir 13868 subgintm 13915 isnsg 13919 gsumfzreidx 14054 gsumfzsubmcl 14055 gsumfzmptfidmadd 14056 gsumfzconst 14058 gsumfzmhm 14060 fnmgp 14066 mgpvalg 14067 mgpplusgg 14068 mgpex 14069 mgpbasg 14070 mgpscag 14071 mgptsetg 14072 mgpdsg 14074 mgpress 14075 isrng 14078 issrg 14109 isring 14144 opprvalg 14213 opprmulfvalg 14214 opprex 14217 opprsllem 14218 subrngintm 14357 islmod 14439 scaffvalg 14454 scafvalg 14455 scaffng 14457 rmodislmodlem 14498 rmodislmod 14499 lsssn0 14518 lss1d 14531 lssintclm 14532 ellspsn 14565 sraval 14585 sralemg 14586 srascag 14590 sravscag 14591 sraipg 14592 sraex 14594 crngridl 14678 znbaslemnn 14787 iedgvalg 16012 iedgex 16014 edgvalg 16054 edgstruct 16059 gfsumval 16862 gsumgfsumlem 16865 |
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