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| Mirrors > Home > ILE Home > Th. List > slotex | GIF version | ||
| Description: Existence of slot value. A corollary of slotslfn 13255. (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 13255 | . 2 ⊢ 𝐸 Fn V |
| 3 | elex 2827 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ V) | |
| 4 | funfvex 5689 | . . 3 ⊢ ((Fun 𝐸 ∧ 𝐴 ∈ dom 𝐸) → (𝐸‘𝐴) ∈ V) | |
| 5 | 4 | funfni 5460 | . 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 2205 Vcvv 2815 Fn wfn 5349 ‘cfv 5354 ℕcn 9239 ndxcnx 13226 Slot cslot 13228 |
| 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 4230 ax-pow 4289 ax-pr 4324 ax-un 4556 |
| 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 3045 df-un 3217 df-in 3219 df-ss 3226 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-br 4112 df-opab 4174 df-mpt 4175 df-id 4416 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-iota 5314 df-fun 5356 df-fn 5357 df-fv 5362 df-slot 13233 |
| This theorem is referenced by: topnfn 13474 topnvalg 13481 topnidg 13482 prdsplusgfval 13514 prdsmulrfval 13516 pwsval 13521 pwsbas 13522 pwsplusgval 13525 pwsmulrval 13526 imasex 13535 imasival 13536 imasbas 13537 imasplusg 13538 imasmulr 13539 imasaddfn 13547 imasaddval 13548 imasaddf 13549 imasmulfn 13550 imasmulval 13551 imasmulf 13552 qusaddval 13565 qusaddf 13566 qusmulval 13567 qusmulf 13568 xpsval 13582 ismgm 13587 plusfvalg 13593 plusffng 13595 gsumpropd2 13623 gsumsplit1r 13628 gsumprval 13629 issgrp 13633 ismnddef 13648 pwsmnd 13680 pws0g 13681 gsumfzz 13725 gsumwsubmcl 13726 gsumwmhm 13728 gsumfzcl 13729 grppropstrg 13749 grpsubval 13776 pwsgrp 13841 pwsinvg 13842 mulgval 13856 mulgfng 13858 mulgnngsum 13861 mulg1 13863 mulgnnp1 13864 mulgnndir 13885 subgintm 13932 isnsg 13936 gsumfzreidx 14071 gsumfzsubmcl 14072 gsumfzmptfidmadd 14073 gsumfzconst 14075 gsumfzmhm 14077 fnmgp 14083 mgpvalg 14084 mgpplusgg 14085 mgpex 14086 mgpbasg 14087 mgpscag 14088 mgptsetg 14089 mgpdsg 14091 mgpress 14092 isrng 14095 issrg 14126 isring 14161 opprvalg 14230 opprmulfvalg 14231 opprex 14234 opprsllem 14235 subrngintm 14374 islmod 14456 scaffvalg 14471 scafvalg 14472 scaffng 14474 rmodislmodlem 14515 rmodislmod 14516 lsssn0 14535 lss1d 14548 lssintclm 14549 ellspsn 14582 sraval 14602 sralemg 14603 srascag 14607 sravscag 14608 sraipg 14609 sraex 14611 crngridl 14695 znbaslemnn 14804 iedgvalg 16029 iedgex 16031 edgvalg 16071 edgstruct 16076 gfsumval 16879 gsumgfsumlem 16882 |
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