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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 23111 for topologies. (Contributed by Stefan O'Rear, 30-Jan-2015.) |
| Ref | Expression |
|---|---|
| fnmre | ⊢ Moore Fn V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vpwex 5353 | . . . 4 ⊢ 𝒫 𝑥 ∈ V | |
| 2 | 1 | pwex 5356 | . . 3 ⊢ 𝒫 𝒫 𝑥 ∈ V |
| 3 | 2 | rabex 5314 | . 2 ⊢ {𝑐 ∈ 𝒫 𝒫 𝑥 ∣ (𝑥 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))} ∈ V |
| 4 | df-mre 17663 | . 2 ⊢ Moore = (𝑥 ∈ V ↦ {𝑐 ∈ 𝒫 𝒫 𝑥 ∣ (𝑥 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))}) | |
| 5 | 3, 4 | fnmpti 6685 | 1 ⊢ Moore Fn V |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2146 ≠ wne 2961 ∀wral 3082 {crab 3419 Vcvv 3458 ∅c0 4289 𝒫 cpw 4567 ∩ cint 4917 Fn wfn 6538 Moorecmre 17659 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-pow 5341 ax-pr 5409 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ral 3083 df-rex 3093 df-rab 3420 df-v 3460 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-fun 6545 df-fn 6546 df-mre 17663 |
| This theorem is used by: mreunirn 17678 |
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