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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 4056 | . 2 ⊢ {𝑥 ∈ 𝐴 ∣ 𝜑} ⊆ 𝐴 | |
2 | riotacl2 7130 | . 2 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ {𝑥 ∈ 𝐴 ∣ 𝜑}) | |
3 | 1, 2 | sseldi 3965 | 1 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2114 ∃!wreu 3140 {crab 3142 ℩crio 7113 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3773 df-un 3941 df-in 3943 df-ss 3952 df-sn 4568 df-pr 4570 df-uni 4839 df-iota 6314 df-riota 7114 |
This theorem is referenced by: riotaeqimp 7140 riotaprop 7141 riotass2 7144 riotass 7145 riotaxfrd 7148 riotaclb 7155 supcl 8922 fisupcl 8933 htalem 9325 dfac8clem 9458 dfac2a 9555 fin23lem22 9749 zorn2lem1 9918 subcl 10885 divcl 11304 lbcl 11592 flcl 13166 cjf 14463 sqrtcl 14721 qnumdencl 16079 qnumdenbi 16084 catidcl 16953 lubcl 17595 glbcl 17608 ismgmid 17875 grpinvfval 18142 grpinvf 18150 pj1f 18823 mirf 26446 midf 26562 ismidb 26564 lmif 26571 islmib 26573 uspgredg2vlem 27005 usgredg2vlem1 27007 frgrncvvdeqlem4 28081 grpoidcl 28291 grpoinvcl 28301 pjpreeq 29175 cnlnadjlem3 29846 adjbdln 29860 xdivcld 30599 cvmlift3lem3 32568 nosupno 33203 nosupbday 33205 nosupbnd1 33214 scutcut 33266 transportcl 33494 finxpreclem4 34678 poimirlem26 34933 iorlid 35151 riotaclbgBAD 36105 lshpkrlem2 36262 lshpkrcl 36267 cdleme25cl 37508 cdleme29cl 37528 cdlemefrs29clN 37550 cdlemk29-3 38062 cdlemkid5 38086 dihlsscpre 38385 mapdhcl 38878 hdmapcl 38981 hgmapcl 39040 rernegcl 39221 rersubcl 39228 wessf1ornlem 41465 fourierdlem50 42461 |
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