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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 13721 | . 2 ⊢ ¬ 𝐴 ∈ (𝐴..^𝐴) | |
| 2 | fzon0 13725 | . . 3 ⊢ ((𝐴..^𝐴) ≠ ∅ ↔ 𝐴 ∈ (𝐴..^𝐴)) | |
| 3 | 2 | necon1bbii 3010 | . 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 2146 ∅c0 4289 (class class class)co 7423 ..^cfzo 13701 |
| 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-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 ax-cnex 11174 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-addrcl 11179 ax-mulcl 11180 ax-mulrcl 11181 ax-mulcom 11182 ax-addass 11183 ax-mulass 11184 ax-distr 11185 ax-i2m1 11186 ax-1ne0 11187 ax-1rid 11188 ax-rnegex 11189 ax-rrecex 11190 ax-cnre 11191 ax-pre-lttri 11192 ax-pre-lttrn 11193 ax-pre-ltadd 11194 ax-pre-mulgt0 11195 |
| 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 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-nel 3068 df-ral 3083 df-rex 3093 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6309 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-om 7872 df-1st 7995 df-2nd 7996 df-frecs 8287 df-wrecs 8318 df-recs 8367 df-rdg 8406 df-er 8703 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11461 df-neg 11462 df-nn 12252 df-n0 12523 df-z 12610 df-uz 12881 df-fz 13554 df-fzo 13702 |
| This theorem is used by: hashfzo 14486 iswrdi 14574 iswrddm0 14595 swrd00 14704 repswsymballbi 14843 0csh0 14856 cshw1 14885 telfsumo 15880 fsumparts 15884 pwdif 15948 0bits 16522 bitsinv1 16525 sadcadd 16541 sadadd2 16543 smumullem 16575 cshws0 17186 chnub 18703 gsmsymgrfix 19529 psgnunilem3 19597 efgs1 19836 volsup 25752 dchrisumlem1 27690 dchrisumlem3 27692 istrkg2ld 28766 wwlksn0s 30247 clwwlkn1 30429 1ewlk 30503 0wlk 30504 1pthdlem1 30523 1pthdlem2 30524 eupth0 30602 eupth2lemb 30625 f1ocnt 33182 fzo0opth 33185 1arithidom 33858 fiunelros 34595 signstfvneq0 34990 signsvf1 34999 repr0 35029 breprexp 35051 carageniuncllem1 47275 chnsubseqwl 47635 2ffzoeq 48105 iccpartiltu 48211 iccpartigtl 48212 0aryfvalel 49454 |
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