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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 4007 | . 2 ⊢ {𝑥 ∈ 𝐴 ∣ 𝜑} ⊆ 𝐴 | |
2 | riotacl2 7109 | . 2 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ {𝑥 ∈ 𝐴 ∣ 𝜑}) | |
3 | 1, 2 | sseldi 3913 | 1 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2111 ∃!wreu 3108 {crab 3110 ℩crio 7092 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-un 3886 df-in 3888 df-ss 3898 df-sn 4526 df-pr 4528 df-uni 4801 df-iota 6283 df-riota 7093 |
This theorem is referenced by: riotaeqimp 7119 riotaprop 7120 riotass2 7123 riotass 7124 riotaxfrd 7127 riotaclb 7134 supcl 8906 fisupcl 8917 htalem 9309 dfac8clem 9443 dfac2a 9540 fin23lem22 9738 zorn2lem1 9907 subcl 10874 divcl 11293 lbcl 11579 flcl 13160 cjf 14455 sqrtcl 14713 qnumdencl 16069 qnumdenbi 16074 catidcl 16945 lubcl 17587 glbcl 17600 ismgmid 17867 grpinvfval 18134 grpinvf 18142 pj1f 18815 mirf 26454 midf 26570 ismidb 26572 lmif 26579 islmib 26581 uspgredg2vlem 27013 usgredg2vlem1 27015 frgrncvvdeqlem4 28087 grpoidcl 28297 grpoinvcl 28307 pjpreeq 29181 cnlnadjlem3 29852 adjbdln 29866 xdivcld 30625 cvmlift3lem3 32681 nosupno 33316 nosupbday 33318 nosupbnd1 33327 scutcut 33379 transportcl 33607 finxpreclem4 34811 poimirlem26 35083 iorlid 35296 riotaclbgBAD 36250 lshpkrlem2 36407 lshpkrcl 36412 cdleme25cl 37653 cdleme29cl 37673 cdlemefrs29clN 37695 cdlemk29-3 38207 cdlemkid5 38231 dihlsscpre 38530 mapdhcl 39023 hdmapcl 39126 hgmapcl 39185 fsuppind 39456 rernegcl 39509 rersubcl 39516 sn-subcl 39564 wessf1ornlem 41811 fourierdlem50 42798 |
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