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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 27803 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5301 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 27772 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 27778 | . . 3 ⊢ (∅ <<s ∅ → (∅ |s ∅) ∈ No ) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (∅ |s ∅) ∈ No |
| 7 | 1, 6 | eqeltri 2832 | 1 ⊢ 0s ∈ No |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2113 ∅c0 4285 𝒫 cpw 4554 class class class wbr 5098 (class class class)co 7358 No csur 27607 <<s cslts 27753 |s ccuts 27755 0s c0s 27801 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-tp 4585 df-op 4587 df-uni 4864 df-int 4903 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-ord 6320 df-on 6321 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-1o 8397 df-2o 8398 df-no 27610 df-lts 27611 df-bday 27612 df-slts 27754 df-cuts 27756 df-0s 27803 |
| This theorem is referenced by: 1no 27806 0lt1s 27808 bday1 27810 cuteq0 27811 cutneg 27812 cuteq1 27813 gt0ne0s 27814 made0 27859 right1s 27892 0elold 27906 addsrid 27960 addslid 27964 addsproplem2 27966 addsfo 27979 ltaddspos1d 28007 ltaddspos2d 28008 addsgt0d 28010 ltsp1d 28011 addsge01d 28012 neg0s 28022 neg1s 28023 negsproplem2 28025 negsproplem6 28029 negscl 28032 negsid 28037 negsdi 28046 lt0negs2d 28047 subsfo 28061 negsval2 28062 subsid1 28064 posdifsd 28094 ltsubsposd 28095 subsge0d 28096 muls01 28108 mulsrid 28109 mulsproplem2 28113 mulsproplem3 28114 mulsproplem4 28115 mulsproplem5 28116 mulsproplem6 28117 mulsproplem7 28118 mulsproplem8 28119 mulscl 28130 ltmuls 28132 lemulsd 28134 muls02 28137 mulsgt0 28140 mulsge0d 28142 ltmulnegs1d 28172 mulscan2d 28175 lemuls1ad 28178 ltmuls12ad 28179 muls0ord 28181 precsexlem8 28210 precsexlem9 28211 precsexlem11 28213 recsex 28215 abs0s 28238 abssnid 28239 absmuls 28240 abssge0 28241 absnegs 28243 leabss 28244 0ons 28252 peano5n0s 28315 n0ssno 28316 0n0s 28325 peano2n0s 28326 dfn0s2 28328 n0sind 28329 n0cut 28330 n0sge0 28334 nnsgt0 28335 elnns2 28337 nnsge1 28339 nnsrecgt0d 28347 seqn0sfn 28356 n0subs 28359 n0lts1e0 28364 eucliddivs 28372 elzs2 28395 elnnzs 28397 elznns 28398 twocut 28419 nohalf 28420 pw2recs 28434 pw2gt0divsd 28441 pw2ge0divsd 28442 pw2divsnegd 28445 pw2divs0d 28451 halfcut 28454 bdaypw2n0bndlem 28459 bdaypw2n0bnd 28460 bdayfinbndlem1 28463 z12bdaylem1 28466 z12bday 28481 bdayfin 28483 recut 28490 elreno2 28491 0reno 28492 1reno 28493 |
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