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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 27958 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5317 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 27927 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 27933 | . . 3 ⊢ (∅ <<s ∅ → (∅ |s ∅) ∈ No ) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (∅ |s ∅) ∈ No |
| 7 | 1, 6 | eqeltri 2861 | 1 ⊢ 0s ∈ No |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2145 ∅c0 4288 𝒫 cpw 4558 class class class wbr 5105 (class class class)co 7400 No csur 27762 <<s cslts 27908 |s ccuts 27910 0s c0s 27956 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-rep 5232 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 ax-un 7722 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3080 df-rex 3090 df-rmo 3370 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4869 df-int 4909 df-br 5106 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5547 df-eprel 5552 df-po 5560 df-so 5561 df-fr 5605 df-we 5607 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-ord 6353 df-on 6354 df-suc 6356 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-1o 8441 df-2o 8442 df-no 27765 df-lts 27766 df-bday 27767 df-slts 27909 df-cuts 27911 df-0s 27958 |
| This theorem is referenced by: 1no 27961 0lt1s 27963 bday1 27965 cuteq0 27966 cutneg 27967 cuteq1 27968 gt0ne0s 27969 made0 28014 right1s 28047 0elold 28061 addsrid 28115 addslid 28119 addsproplem2 28121 addsfo 28134 ltaddspos1d 28162 ltaddspos2d 28163 addsgt0d 28165 ltsp1d 28166 addsge01d 28167 neg0s 28177 neg1s 28178 negsproplem2 28180 negsproplem6 28184 negscl 28187 negsid 28192 negsdi 28201 lt0negs2d 28202 subsfo 28216 negsval2 28217 subsid1 28219 posdifsd 28249 ltsubsposd 28250 subsge0d 28251 muls01 28263 mulsrid 28264 mulsproplem2 28268 mulsproplem3 28269 mulsproplem4 28270 mulsproplem5 28271 mulsproplem6 28272 mulsproplem7 28273 mulsproplem8 28274 mulscl 28285 ltmuls 28287 lemulsd 28289 muls02 28292 mulsgt0 28295 mulsge0d 28297 ltmulnegs1d 28327 mulscan2d 28330 lemuls1ad 28333 ltmuls12ad 28334 muls0ord 28336 precsexlem8 28365 precsexlem9 28366 precsexlem11 28368 recsex 28370 abs0s 28393 abssnid 28394 absmuls 28395 abssge0 28396 absnegs 28398 leabss 28399 0ons 28407 peano5n0s 28470 n0ssno 28471 0n0s 28480 peano2n0s 28481 dfn0s2 28483 n0sind 28484 n0cut 28485 n0sge0 28489 nnsgt0 28490 elnns2 28492 nnsge1 28494 nnsrecgt0d 28502 seqn0sfn 28511 n0subs 28514 n0lts1e0 28519 eucliddivs 28527 elzs2 28550 elnnzs 28552 elznns 28553 twocut 28574 nohalf 28575 pw2recs 28589 pw2gt0divsd 28596 pw2ge0divsd 28597 pw2divsnegd 28600 pw2divs0d 28606 halfcut 28609 bdaypw2n0bndlem 28614 bdaypw2n0bnd 28615 bdayfinbndlem1 28618 z12bdaylem1 28621 z12bday 28636 bdayfin 28638 recut 28645 elreno2 28646 0reno 28647 1reno 28648 |
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