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| Mirrors > Home > ILE Home > Th. List > slotex | GIF version | ||
| Description: Existence of slot value. A corollary of slotslfn 13436. (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 13436 | . 2 ⊢ 𝐸 Fn V |
| 3 | elex 2833 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ V) | |
| 4 | funfvex 5715 | . . 3 ⊢ ((Fun 𝐸 ∧ 𝐴 ∈ dom 𝐸) → (𝐸‘𝐴) ∈ V) | |
| 5 | 4 | funfni 5486 | . 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 5375 ‘cfv 5380 ℕcn 9313 ndxcnx 13407 Slot cslot 13409 |
| 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 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 |
| 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 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-iota 5340 df-fun 5382 df-fn 5383 df-fv 5388 df-slot 13414 |
| This theorem is used by: topnfn 13657 topnvalg 13664 topnidg 13665 imasex 13685 imasival 13686 imasbas 13687 imasplusg 13688 imasmulr 13689 imasaddfn 13697 imasaddval 13698 imasaddf 13699 imasmulfn 13700 imasmulval 13701 imasmulf 13702 qusaddval 13715 qusaddf 13716 qusmulval 13717 qusmulf 13718 ismgm 13736 plusfvalg 13742 plusffng 13744 gzsumsplit1r 13774 issgrp 13777 ismnddef 13790 gzsumwsubmcl 13860 gzsumwmhm 13862 gzsumcl 13863 grppropstrg 13883 grpsubval 13910 mulgval 13984 mulgfng 13986 mulgnngzsum 13989 mulg1 13991 mulgnnp1 13992 mulgnndir 14013 subgintm 14060 isnsg 14064 gzsumreidx 14231 gzsumsubmcl 14232 gzsumconst 14233 gzsummhm 14235 gzsumshift 14239 gsumvalfi 14242 prdsplusgfval 14291 prdsmulrfval 14293 xpsval 14308 pwsval 14311 pwsbas 14312 pwsplusgval 14315 pwsmulrval 14316 pwsmnd 14319 pws0g 14320 pwsgrp 14321 pwsinvg 14322 fnmgp 14326 mgpvalg 14327 mgpplusgg 14328 mgpex 14330 mgpbasg 14331 mgpscag 14333 mgptsetg 14334 mgpdsg 14336 mgpress 14337 isrng 14340 issrg 14376 isring 14411 opprvalg 14483 opprmulfvalg 14484 opprex 14487 opprsllem 14488 subrngintm 14629 islmod 14736 scaffvalg 14752 scafvalg 14753 scaffng 14755 rmodislmodlem 14796 rmodislmod 14797 lsssn0 14816 lss1d 14829 lssintclm 14830 ellspsn 14863 sraval 14883 sralemg 14884 srascag 14888 sravscag 14889 sraipg 14890 sraex 14892 crngridl 14976 znbaslemnn 15083 isassa 15111 asclfval 15130 psrmulrg 15186 iedgvalg 16463 iedgex 16465 edgvalg 16505 edgstruct 16510 |
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