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| Mirrors > Home > MPE Home > Th. List > 0no | Structured version Visualization version GIF version | ||
| Description: Surreal zero is a surreal. (Contributed by Scott Fenton, 7-Aug-2024.) |
| Ref | Expression |
|---|---|
| 0no | ⊢ 0s ∈ No |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-0s 27815 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5303 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 27784 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 27790 | . . 3 ⊢ (∅ <<s ∅ → (∅ |s ∅) ∈ No ) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (∅ |s ∅) ∈ No |
| 7 | 1, 6 | eqeltri 2833 | 1 ⊢ 0s ∈ No |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 ∅c0 4287 𝒫 cpw 4556 class class class wbr 5100 (class class class)co 7368 No csur 27619 <<s cslts 27765 |s ccuts 27767 0s c0s 27813 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-int 4905 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-ord 6328 df-on 6329 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-1o 8407 df-2o 8408 df-no 27622 df-lts 27623 df-bday 27624 df-slts 27766 df-cuts 27768 df-0s 27815 |
| This theorem is referenced by: 1no 27818 0lt1s 27820 bday1 27822 cuteq0 27823 cutneg 27824 cuteq1 27825 gt0ne0s 27826 made0 27871 right1s 27904 0elold 27918 addsrid 27972 addslid 27976 addsproplem2 27978 addsfo 27991 ltaddspos1d 28019 ltaddspos2d 28020 addsgt0d 28022 ltsp1d 28023 addsge01d 28024 neg0s 28034 neg1s 28035 negsproplem2 28037 negsproplem6 28041 negscl 28044 negsid 28049 negsdi 28058 lt0negs2d 28059 subsfo 28073 negsval2 28074 subsid1 28076 posdifsd 28106 ltsubsposd 28107 subsge0d 28108 muls01 28120 mulsrid 28121 mulsproplem2 28125 mulsproplem3 28126 mulsproplem4 28127 mulsproplem5 28128 mulsproplem6 28129 mulsproplem7 28130 mulsproplem8 28131 mulscl 28142 ltmuls 28144 lemulsd 28146 muls02 28149 mulsgt0 28152 mulsge0d 28154 ltmulnegs1d 28184 mulscan2d 28187 lemuls1ad 28190 ltmuls12ad 28191 muls0ord 28193 precsexlem8 28222 precsexlem9 28223 precsexlem11 28225 recsex 28227 abs0s 28250 abssnid 28251 absmuls 28252 abssge0 28253 absnegs 28255 leabss 28256 0ons 28264 peano5n0s 28327 n0ssno 28328 0n0s 28337 peano2n0s 28338 dfn0s2 28340 n0sind 28341 n0cut 28342 n0sge0 28346 nnsgt0 28347 elnns2 28349 nnsge1 28351 nnsrecgt0d 28359 seqn0sfn 28368 n0subs 28371 n0lts1e0 28376 eucliddivs 28384 elzs2 28407 elnnzs 28409 elznns 28410 twocut 28431 nohalf 28432 pw2recs 28446 pw2gt0divsd 28453 pw2ge0divsd 28454 pw2divsnegd 28457 pw2divs0d 28463 halfcut 28466 bdaypw2n0bndlem 28471 bdaypw2n0bnd 28472 bdayfinbndlem1 28475 z12bdaylem1 28478 z12bday 28493 bdayfin 28495 recut 28502 elreno2 28503 0reno 28504 1reno 28505 |
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