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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 13835 | . 2 ⊢ ¬ 𝐴 ∈ (𝐴..^𝐴) | |
| 2 | fzon0 13839 | . . 3 ⊢ ((𝐴..^𝐴) ≠ ∅ ↔ 𝐴 ∈ (𝐴..^𝐴)) | |
| 3 | 2 | necon1bbii 3008 | . 2 ⊢ (¬ 𝐴 ∈ (𝐴..^𝐴) ↔ (𝐴..^𝐴) = ∅) |
| 4 | 1, 3 | mpbi 233 | 1 ⊢ (𝐴..^𝐴) = ∅ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 = wceq 1570 ∈ wcel 2147 ∅c0 4281 (class class class)co 7443 ..^cfzo 13815 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 ax-pre-mulgt0 11304 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-om 7902 df-1st 8025 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-er 8745 df-en 9002 df-dom 9003 df-sdom 9004 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 df-sub 11570 df-neg 11571 df-nn 12363 df-n0 12634 df-z 12721 df-uz 12993 df-fz 13667 df-fzo 13816 |
| This theorem is used by: hashfzo 14601 iswrdi 14689 iswrddm0 14710 swrd00 14820 repswsymballbi 14959 0csh0 14972 cshw1 15001 telfsumo 15998 fsumparts 16002 pwdif 16066 0bits 16638 bitsinv1 16641 sadcadd 16657 sadadd2 16659 smumullem 16691 cshws0 17308 chnub 18825 gsmsymgrfix 19672 psgnunilem3 19740 efgs1 19979 ehl0base 25767 ehl0 25768 volsup 25907 dchrisumlem1 27846 dchrisumlem3 27848 istrkg2ld 28952 wwlksn0s 30480 clwwlkn1 30662 1ewlk 30736 0wlk 30737 1pthdlem1 30756 1pthdlem2 30757 eupth0 30845 eupth2lemb 30868 f1ocnt 33462 fzo0opth 33465 1arithidom 34139 fiunelros 34877 signstfvneq0 35271 signsvf1 35280 repr0 35310 breprexp 35332 carageniuncllem1 47736 chnsubseqwl 48094 2ffzoeq 48603 iccpartiltu 48709 iccpartigtl 48710 0aryfvalel 49951 |
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