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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 7393 | . 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 3364 {crab 3413 ℩crio 7376 |
| 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 2733 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-un 3904 df-ss 3916 df-sn 4585 df-pr 4587 df-uni 4868 df-iota 6494 df-riota 7377 |
| This theorem is used by: riotaeqimp 7403 riotaprop 7404 riotass2 7407 riotass 7408 riotaxfrd 7411 riotaclb 7418 supcl 9450 fisupcl 9462 ttrcltr 9717 htalem 9961 dfac8clem 10111 dfac2a 10208 fin23lem22 10405 zorn2lem1 10574 subcl 11556 divcl 11980 lbcl 12268 flcl 13935 cjf 15271 sqrtcl 15529 qnumdencl 16915 qnumdenbi 16920 catidcl 17856 lubcl 18529 glbcl 18542 ismgmid 18845 grpinvfval 19189 grpinvf 19197 pj1f 19911 nosupno 28060 nosupbday 28062 nosupbnd1 28071 noinfno 28075 noinfbday 28077 noinfbnd1 28086 cutcuts 28167 divsclw 28581 mirf 29132 midf 29281 ismidb 29283 lmif 29290 islmib 29292 uspgredg2vlem 29804 usgredg2vlem1 29806 frgrncvvdeqlem4 30903 grpoidcl 31116 grpoinvcl 31126 pjpreeq 32000 cnlnadjlem3 32671 adjbdln 32685 xdivcld 33489 cvmlift3lem3 36086 transportcl 36798 finxpreclem4 38317 poimirlem26 38564 iorlid 38792 riotaclbgBAD 40011 lshpkrlem2 40168 lshpkrcl 40173 cdleme25cl 41414 cdleme29cl 41434 cdlemefrs29clN 41456 cdlemk29-3 41968 cdlemkid5 41992 dihlsscpre 42291 mapdhcl 42784 hdmapcl 42887 hgmapcl 42946 primrootsunit1 43147 rernegcl 43422 rersubcl 43429 sn-subcl 43479 sn-redivcld 43495 fsuppind 43618 tfsconcatfv 44342 wessf1ornlem 46199 fourierdlem50 47165 |
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