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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 13713 | . 2 ⊢ ¬ 𝐴 ∈ (𝐴..^𝐴) | |
| 2 | fzon0 13717 | . . 3 ⊢ ((𝐴..^𝐴) ≠ ∅ ↔ 𝐴 ∈ (𝐴..^𝐴)) | |
| 3 | 2 | necon1bbii 2990 | . 2 ⊢ (¬ 𝐴 ∈ (𝐴..^𝐴) ↔ (𝐴..^𝐴) = ∅) |
| 4 | 1, 3 | mpbi 230 | 1 ⊢ (𝐴..^𝐴) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1540 ∈ wcel 2108 ∅c0 4333 (class class class)co 7431 ..^cfzo 13694 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-cnex 11211 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 ax-pre-mulgt0 11232 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-1st 8014 df-2nd 8015 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-er 8745 df-en 8986 df-dom 8987 df-sdom 8988 df-pnf 11297 df-mnf 11298 df-xr 11299 df-ltxr 11300 df-le 11301 df-sub 11494 df-neg 11495 df-nn 12267 df-n0 12527 df-z 12614 df-uz 12879 df-fz 13548 df-fzo 13695 |
| This theorem is referenced by: hashfzo 14468 iswrdi 14556 iswrddm0 14576 swrd00 14682 repswsymballbi 14818 0csh0 14831 cshw1 14860 telfsumo 15838 fsumparts 15842 pwdif 15904 0bits 16476 bitsinv1 16479 sadcadd 16495 sadadd2 16497 smumullem 16529 cshws0 17139 gsmsymgrfix 19446 psgnunilem3 19514 efgs1 19753 volsup 25591 dchrisumlem1 27533 dchrisumlem3 27535 istrkg2ld 28468 wwlksn0s 29881 clwwlkn1 30060 1ewlk 30134 0wlk 30135 1pthdlem1 30154 1pthdlem2 30155 eupth0 30233 eupth2lemb 30256 f1ocnt 32804 fzo0opth 32807 chnub 33002 1arithidom 33565 fiunelros 34175 signstfvneq0 34587 signsvf1 34596 repr0 34626 breprexp 34648 carageniuncllem1 46536 upwordsing 46899 2ffzoeq 47339 iccpartiltu 47409 iccpartigtl 47410 0aryfvalel 48555 |
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