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Mirrors > Home > MPE Home > Th. List > fnmre | Structured version Visualization version GIF version |
Description: The Moore collection generator is a well-behaved function. Analogue for Moore collections of fntopon 21534 for topologies. (Contributed by Stefan O'Rear, 30-Jan-2015.) |
Ref | Expression |
---|---|
fnmre | ⊢ Moore Fn V |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vpwex 5280 | . . . 4 ⊢ 𝒫 𝑥 ∈ V | |
2 | 1 | pwex 5283 | . . 3 ⊢ 𝒫 𝒫 𝑥 ∈ V |
3 | 2 | rabex 5237 | . 2 ⊢ {𝑐 ∈ 𝒫 𝒫 𝑥 ∣ (𝑥 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))} ∈ V |
4 | df-mre 16859 | . 2 ⊢ Moore = (𝑥 ∈ V ↦ {𝑐 ∈ 𝒫 𝒫 𝑥 ∣ (𝑥 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))}) | |
5 | 3, 4 | fnmpti 6493 | 1 ⊢ Moore Fn V |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2114 ≠ wne 3018 ∀wral 3140 {crab 3144 Vcvv 3496 ∅c0 4293 𝒫 cpw 4541 ∩ cint 4878 Fn wfn 6352 Moorecmre 16855 |
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 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 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-ral 3145 df-rab 3149 df-v 3498 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-op 4576 df-br 5069 df-opab 5131 df-mpt 5149 df-id 5462 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-fun 6359 df-fn 6360 df-mre 16859 |
This theorem is referenced by: mreunirn 16874 |
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