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| Mirrors > Home > MPE Home > Th. List > riotacl | Structured version Visualization version GIF version | ||
| Description: Closure of restricted iota. (Contributed by NM, 21-Aug-2011.) |
| Ref | Expression |
|---|---|
| riotacl | ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssrab2 4008 | . 2 ⊢ {𝑥 ∈ 𝐴 ∣ 𝜑} ⊆ 𝐴 | |
| 2 | riotacl2 7424 | . 2 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ {𝑥 ∈ 𝐴 ∣ 𝜑}) | |
| 3 | 1, 2 | sselid 3911 | 1 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2147 ∃!wreu 3367 {crab 3416 ℩crio 7407 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-12 2216 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-tru 1573 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-ss 3901 df-un 4154 df-sn 4589 df-pr 4591 df-uni 4873 df-iota 6520 df-riota 7408 |
| This theorem is used by: riotaeqimp 7434 riotaprop 7435 riotass2 7438 riotass 7439 riotaxfrd 7442 riotaclb 7449 supcl 9487 fisupcl 9499 ttrcltr 9754 htalem 9998 dfac8clem 10150 dfac2a 10247 fin23lem22 10444 zorn2lem1 10613 subcl 11595 divcl 12020 lbcl 12308 flcl 13975 cjf 15314 sqrtcl 15573 qnumdencl 16959 qnumdenbi 16964 catidcl 17906 lubcl 18579 glbcl 18592 ismgmid 18895 grpinvfval 19239 grpinvf 19247 pj1f 19962 nosupno 28117 nosupbday 28119 nosupbnd1 28128 noinfno 28132 noinfbday 28134 noinfbnd1 28143 cutcuts 28224 divsclw 28638 mirf 29189 midf 29338 ismidb 29340 lmif 29347 islmib 29349 uspgredg2vlem 29861 usgredg2vlem1 29863 frgrncvvdeqlem4 30960 grpoidcl 31173 grpoinvcl 31183 pjpreeq 32057 cnlnadjlem3 32728 adjbdln 32742 xdivcld 33585 cvmlift3lem3 36294 transportcl 37013 finxpreclem4 38585 poimirlem26 38832 iorlid 39058 riotaclbgBAD 40277 lshpkrlem2 40434 lshpkrcl 40439 cdleme25cl 41680 cdleme29cl 41700 cdlemefrs29clN 41722 cdlemk29-3 42234 cdlemkid5 42258 dihlsscpre 42557 mapdhcl 43050 hdmapcl 43153 hgmapcl 43212 primrootsunit1 43413 rernegcl 43688 rersubcl 43695 sn-subcl 43745 sn-redivcld 43761 fsuppind 43884 tfsconcatfv 44604 wessf1ornlem 46473 fourierdlem50 47439 |
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