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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 4042 | . 2 ⊢ {𝑥 ∈ 𝐴 ∣ 𝜑} ⊆ 𝐴 | |
2 | riotacl2 7335 | . 2 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ {𝑥 ∈ 𝐴 ∣ 𝜑}) | |
3 | 1, 2 | sselid 3945 | 1 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2106 ∃!wreu 3349 {crab 3405 ℩crio 7317 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-12 2171 ax-ext 2702 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-tru 1544 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-reu 3352 df-rab 3406 df-v 3448 df-sbc 3743 df-un 3918 df-in 3920 df-ss 3930 df-sn 4592 df-pr 4594 df-uni 4871 df-iota 6453 df-riota 7318 |
This theorem is referenced by: riotaeqimp 7345 riotaprop 7346 riotass2 7349 riotass 7350 riotaxfrd 7353 riotaclb 7360 supcl 9403 fisupcl 9414 ttrcltr 9661 htalem 9841 dfac8clem 9977 dfac2a 10074 fin23lem22 10272 zorn2lem1 10441 subcl 11409 divcl 11828 lbcl 12115 flcl 13710 cjf 15001 sqrtcl 15258 qnumdencl 16625 qnumdenbi 16630 catidcl 17576 lubcl 18260 glbcl 18273 ismgmid 18534 grpinvfval 18803 grpinvf 18811 pj1f 19493 nosupno 27088 nosupbday 27090 nosupbnd1 27099 noinfno 27103 noinfbday 27105 noinfbnd1 27114 scutcut 27183 mirf 27665 midf 27781 ismidb 27783 lmif 27790 islmib 27792 uspgredg2vlem 28234 usgredg2vlem1 28236 frgrncvvdeqlem4 29309 grpoidcl 29519 grpoinvcl 29529 pjpreeq 30403 cnlnadjlem3 31074 adjbdln 31088 xdivcld 31849 cvmlift3lem3 34002 transportcl 34694 finxpreclem4 35938 poimirlem26 36177 iorlid 36390 riotaclbgBAD 37489 lshpkrlem2 37646 lshpkrcl 37651 cdleme25cl 38893 cdleme29cl 38913 cdlemefrs29clN 38935 cdlemk29-3 39447 cdlemkid5 39471 dihlsscpre 39770 mapdhcl 40263 hdmapcl 40366 hgmapcl 40425 fsuppind 40823 rernegcl 40898 rersubcl 40905 sn-subcl 40954 tfsconcatfv 41734 wessf1ornlem 43525 fourierdlem50 44517 |
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