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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 4028 | . 2 ⊢ {𝑥 ∈ 𝐴 ∣ 𝜑} ⊆ 𝐴 | |
| 2 | riotacl2 7387 | . 2 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ {𝑥 ∈ 𝐴 ∣ 𝜑}) | |
| 3 | 1, 2 | sselid 3929 | 1 ⊢ (∃!𝑥 ∈ 𝐴 𝜑 → (℩𝑥 ∈ 𝐴 𝜑) ∈ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ∃!wreu 3363 {crab 3412 ℩crio 7370 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-12 2213 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-tru 1573 df-ex 1813 df-nf 1817 df-sb 2100 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 3740 df-un 3904 df-ss 3916 df-sn 4585 df-pr 4587 df-uni 4868 df-iota 6489 df-riota 7371 |
| This theorem is used by: riotaeqimp 7397 riotaprop 7398 riotass2 7401 riotass 7402 riotaxfrd 7405 riotaclb 7412 supcl 9429 fisupcl 9441 ttrcltr 9696 htalem 9901 dfac8clem 10036 dfac2a 10133 fin23lem22 10330 zorn2lem1 10499 subcl 11481 divcl 11903 lbcl 12191 flcl 13857 cjf 15192 sqrtcl 15450 qnumdencl 16831 qnumdenbi 16836 catidcl 17771 lubcl 18444 glbcl 18457 ismgmid 18759 grpinvfval 19103 grpinvf 19111 pj1f 19825 nosupno 27940 nosupbday 27942 nosupbnd1 27951 noinfno 27955 noinfbday 27957 noinfbnd1 27966 cutcuts 28047 divsclw 28461 mirf 29012 midf 29161 ismidb 29163 lmif 29170 islmib 29172 uspgredg2vlem 29684 usgredg2vlem1 29686 frgrncvvdeqlem4 30783 grpoidcl 30996 grpoinvcl 31006 pjpreeq 31880 cnlnadjlem3 32551 adjbdln 32565 xdivcld 33369 cvmlift3lem3 35901 transportcl 36614 finxpreclem4 38149 poimirlem26 38396 iorlid 38609 riotaclbgBAD 39828 lshpkrlem2 39985 lshpkrcl 39990 cdleme25cl 41231 cdleme29cl 41251 cdlemefrs29clN 41273 cdlemk29-3 41785 cdlemkid5 41809 dihlsscpre 42108 mapdhcl 42601 hdmapcl 42704 hgmapcl 42763 primrootsunit1 42964 rernegcl 43247 rersubcl 43254 sn-subcl 43304 sn-redivcld 43320 fsuppind 43437 tfsconcatfv 44183 wessf1ornlem 46018 fourierdlem50 46985 |
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