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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 4058 | . 2 ⊢ {𝑥 ∈ 𝐴 ∣ 𝜑} ⊆ 𝐴 | |
2 | riotacl2 7132 | . 2 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ {𝑥 ∈ 𝐴 ∣ 𝜑}) | |
3 | 1, 2 | sseldi 3967 | 1 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2114 ∃!wreu 3142 {crab 3144 ℩crio 7115 |
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 2795 |
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 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-reu 3147 df-rab 3149 df-v 3498 df-sbc 3775 df-un 3943 df-in 3945 df-ss 3954 df-sn 4570 df-pr 4572 df-uni 4841 df-iota 6316 df-riota 7116 |
This theorem is referenced by: riotaeqimp 7142 riotaprop 7143 riotass2 7146 riotass 7147 riotaxfrd 7150 riotaclb 7157 supcl 8924 fisupcl 8935 htalem 9327 dfac8clem 9460 dfac2a 9557 fin23lem22 9751 zorn2lem1 9920 subcl 10887 divcl 11306 lbcl 11594 flcl 13168 cjf 14465 sqrtcl 14723 qnumdencl 16081 qnumdenbi 16086 catidcl 16955 lubcl 17597 glbcl 17610 ismgmid 17877 grpinvfval 18144 grpinvf 18152 pj1f 18825 mirf 26448 midf 26564 ismidb 26566 lmif 26573 islmib 26575 uspgredg2vlem 27007 usgredg2vlem1 27009 frgrncvvdeqlem4 28083 grpoidcl 28293 grpoinvcl 28303 pjpreeq 29177 cnlnadjlem3 29848 adjbdln 29862 xdivcld 30601 cvmlift3lem3 32570 nosupno 33205 nosupbday 33207 nosupbnd1 33216 scutcut 33268 transportcl 33496 finxpreclem4 34677 poimirlem26 34920 iorlid 35138 riotaclbgBAD 36092 lshpkrlem2 36249 lshpkrcl 36254 cdleme25cl 37495 cdleme29cl 37515 cdlemefrs29clN 37537 cdlemk29-3 38049 cdlemkid5 38073 dihlsscpre 38372 mapdhcl 38865 hdmapcl 38968 hgmapcl 39027 rernegcl 39208 rersubcl 39215 wessf1ornlem 41452 fourierdlem50 42448 |
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