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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 4004 | . 2 ⊢ {𝑥 ∈ 𝐴 ∣ 𝜑} ⊆ 𝐴 | |
| 2 | riotacl2 7397 | . 2 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ {𝑥 ∈ 𝐴 ∣ 𝜑}) | |
| 3 | 1, 2 | sselid 3907 | 1 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 ∃!wreu 3363 {crab 3412 ℩crio 7380 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-12 2212 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-tru 1572 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-ss 3897 df-un 4150 df-sn 4585 df-pr 4587 df-uni 4867 df-iota 6497 df-riota 7381 |
| This theorem is used by: riotaeqimp 7407 riotaprop 7408 riotass2 7411 riotass 7412 riotaxfrd 7415 riotaclb 7422 supcl 9457 fisupcl 9469 ttrcltr 9724 htalem 9968 dfac8clem 10118 dfac2a 10215 fin23lem22 10412 zorn2lem1 10581 subcl 11563 divcl 11987 lbcl 12275 flcl 13942 cjf 15280 sqrtcl 15538 qnumdencl 16924 qnumdenbi 16929 catidcl 17865 lubcl 18538 glbcl 18551 ismgmid 18854 grpinvfval 19198 grpinvf 19206 pj1f 19920 nosupno 28069 nosupbday 28071 nosupbnd1 28080 noinfno 28084 noinfbday 28086 noinfbnd1 28095 cutcuts 28176 divsclw 28590 mirf 29141 midf 29290 ismidb 29292 lmif 29299 islmib 29301 uspgredg2vlem 29813 usgredg2vlem1 29815 frgrncvvdeqlem4 30912 grpoidcl 31125 grpoinvcl 31135 pjpreeq 32009 cnlnadjlem3 32680 adjbdln 32694 xdivcld 33539 cvmlift3lem3 36204 transportcl 36922 finxpreclem4 38454 poimirlem26 38701 iorlid 38929 riotaclbgBAD 40148 lshpkrlem2 40305 lshpkrcl 40310 cdleme25cl 41551 cdleme29cl 41571 cdlemefrs29clN 41593 cdlemk29-3 42105 cdlemkid5 42129 dihlsscpre 42428 mapdhcl 42921 hdmapcl 43024 hgmapcl 43083 primrootsunit1 43284 rernegcl 43559 rersubcl 43566 sn-subcl 43616 sn-redivcld 43632 fsuppind 43755 tfsconcatfv 44480 wessf1ornlem 46336 fourierdlem50 47302 |
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