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| Mirrors > Home > MPE Home > Th. List > fzof | Structured version Visualization version GIF version | ||
| Description: Functionality of the half-open integer set function. (Contributed by Stefan O'Rear, 14-Aug-2015.) |
| Ref | Expression |
|---|---|
| fzof | ⊢ ..^:(ℤ × ℤ)⟶𝒫 ℤ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fzssz 13442 | . . . 4 ⊢ (𝑚...(𝑛 − 1)) ⊆ ℤ | |
| 2 | ovex 7391 | . . . . 5 ⊢ (𝑚...(𝑛 − 1)) ∈ V | |
| 3 | 2 | elpw 4558 | . . . 4 ⊢ ((𝑚...(𝑛 − 1)) ∈ 𝒫 ℤ ↔ (𝑚...(𝑛 − 1)) ⊆ ℤ) |
| 4 | 1, 3 | mpbir 231 | . . 3 ⊢ (𝑚...(𝑛 − 1)) ∈ 𝒫 ℤ |
| 5 | 4 | rgen2w 3056 | . 2 ⊢ ∀𝑚 ∈ ℤ ∀𝑛 ∈ ℤ (𝑚...(𝑛 − 1)) ∈ 𝒫 ℤ |
| 6 | df-fzo 13571 | . . 3 ⊢ ..^ = (𝑚 ∈ ℤ, 𝑛 ∈ ℤ ↦ (𝑚...(𝑛 − 1))) | |
| 7 | 6 | fmpo 8012 | . 2 ⊢ (∀𝑚 ∈ ℤ ∀𝑛 ∈ ℤ (𝑚...(𝑛 − 1)) ∈ 𝒫 ℤ ↔ ..^:(ℤ × ℤ)⟶𝒫 ℤ) |
| 8 | 5, 7 | mpbi 230 | 1 ⊢ ..^:(ℤ × ℤ)⟶𝒫 ℤ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2113 ∀wral 3051 ⊆ wss 3901 𝒫 cpw 4554 × cxp 5622 ⟶wf 6488 (class class class)co 7358 1c1 11027 − cmin 11364 ℤcz 12488 ...cfz 13423 ..^cfzo 13570 |
| 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 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-fv 6500 df-ov 7361 df-oprab 7362 df-mpo 7363 df-1st 7933 df-2nd 7934 df-neg 11367 df-z 12489 df-uz 12752 df-fz 13424 df-fzo 13571 |
| This theorem is referenced by: elfzoel1 13573 elfzoel2 13574 elfzoelz 13575 fzoval 13576 fzofi 13897 |
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