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| Mirrors > Home > MPE Home > Th. List > fzo0 | Structured version Visualization version GIF version | ||
| Description: Half-open sets with equal endpoints are empty. (Contributed by Stefan O'Rear, 15-Aug-2015.) (Revised by Mario Carneiro, 29-Sep-2015.) |
| Ref | Expression |
|---|---|
| fzo0 | ⊢ (𝐴..^𝐴) = ∅ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fzonel 13704 | . 2 ⊢ ¬ 𝐴 ∈ (𝐴..^𝐴) | |
| 2 | fzon0 13708 | . . 3 ⊢ ((𝐴..^𝐴) ≠ ∅ ↔ 𝐴 ∈ (𝐴..^𝐴)) | |
| 3 | 2 | necon1bbii 3007 | . 2 ⊢ (¬ 𝐴 ∈ (𝐴..^𝐴) ↔ (𝐴..^𝐴) = ∅) |
| 4 | 1, 3 | mpbi 233 | 1 ⊢ (𝐴..^𝐴) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1570 ∈ wcel 2143 ∅c0 4287 (class class class)co 7412 ..^cfzo 13684 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-cnex 11157 ax-resscn 11158 ax-1cn 11159 ax-icn 11160 ax-addcl 11161 ax-addrcl 11162 ax-mulcl 11163 ax-mulrcl 11164 ax-mulcom 11165 ax-addass 11166 ax-mulass 11167 ax-distr 11168 ax-i2m1 11169 ax-1ne0 11170 ax-1rid 11171 ax-rnegex 11172 ax-rrecex 11173 ax-cnre 11174 ax-pre-lttri 11175 ax-pre-lttrn 11176 ax-pre-ltadd 11177 ax-pre-mulgt0 11178 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8279 df-wrecs 8310 df-recs 8359 df-rdg 8398 df-er 8695 df-en 8945 df-dom 8946 df-sdom 8947 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11444 df-neg 11445 df-nn 12235 df-n0 12506 df-z 12593 df-uz 12864 df-fz 13537 df-fzo 13685 |
| This theorem is referenced by: hashfzo 14468 iswrdi 14556 iswrddm0 14577 swrd00 14684 repswsymballbi 14819 0csh0 14832 cshw1 14861 telfsumo 15856 fsumparts 15860 pwdif 15924 0bits 16498 bitsinv1 16501 sadcadd 16517 sadadd2 16519 smumullem 16551 cshws0 17162 chnub 18679 gsmsymgrfix 19499 psgnunilem3 19567 efgs1 19806 volsup 25696 dchrisumlem1 27631 dchrisumlem3 27633 istrkg2ld 28707 wwlksn0s 30188 clwwlkn1 30370 1ewlk 30444 0wlk 30445 1pthdlem1 30464 1pthdlem2 30465 eupth0 30543 eupth2lemb 30566 f1ocnt 33123 fzo0opth 33126 1arithidom 33805 fiunelros 34542 signstfvneq0 34937 signsvf1 34946 repr0 34976 breprexp 34998 carageniuncllem1 47215 chnsubseqwl 47575 2ffzoeq 48042 iccpartiltu 48148 iccpartigtl 48149 0aryfvalel 49391 |
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