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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 27813 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5293 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 27782 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 27788 | . . 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 4274 𝒫 cpw 4542 class class class wbr 5086 (class class class)co 7360 No csur 27617 <<s cslts 27763 |s ccuts 27765 0s c0s 27811 |
| 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 5212 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 |
| 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 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 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 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-1o 8398 df-2o 8399 df-no 27620 df-lts 27621 df-bday 27622 df-slts 27764 df-cuts 27766 df-0s 27813 |
| This theorem is referenced by: 1no 27816 0lt1s 27818 bday1 27820 cuteq0 27821 cutneg 27822 cuteq1 27823 gt0ne0s 27824 made0 27869 right1s 27902 0elold 27916 addsrid 27970 addslid 27974 addsproplem2 27976 addsfo 27989 ltaddspos1d 28017 ltaddspos2d 28018 addsgt0d 28020 ltsp1d 28021 addsge01d 28022 neg0s 28032 neg1s 28033 negsproplem2 28035 negsproplem6 28039 negscl 28042 negsid 28047 negsdi 28056 lt0negs2d 28057 subsfo 28071 negsval2 28072 subsid1 28074 posdifsd 28104 ltsubsposd 28105 subsge0d 28106 muls01 28118 mulsrid 28119 mulsproplem2 28123 mulsproplem3 28124 mulsproplem4 28125 mulsproplem5 28126 mulsproplem6 28127 mulsproplem7 28128 mulsproplem8 28129 mulscl 28140 ltmuls 28142 lemulsd 28144 muls02 28147 mulsgt0 28150 mulsge0d 28152 ltmulnegs1d 28182 mulscan2d 28185 lemuls1ad 28188 ltmuls12ad 28189 muls0ord 28191 precsexlem8 28220 precsexlem9 28221 precsexlem11 28223 recsex 28225 abs0s 28248 abssnid 28249 absmuls 28250 abssge0 28251 absnegs 28253 leabss 28254 0ons 28262 peano5n0s 28325 n0ssno 28326 0n0s 28335 peano2n0s 28336 dfn0s2 28338 n0sind 28339 n0cut 28340 n0sge0 28344 nnsgt0 28345 elnns2 28347 nnsge1 28349 nnsrecgt0d 28357 seqn0sfn 28366 n0subs 28369 n0lts1e0 28374 eucliddivs 28382 elzs2 28405 elnnzs 28407 elznns 28408 twocut 28429 nohalf 28430 pw2recs 28444 pw2gt0divsd 28451 pw2ge0divsd 28452 pw2divsnegd 28455 pw2divs0d 28461 halfcut 28464 bdaypw2n0bndlem 28469 bdaypw2n0bnd 28470 bdayfinbndlem1 28473 z12bdaylem1 28476 z12bday 28491 bdayfin 28493 recut 28500 elreno2 28501 0reno 28502 1reno 28503 |
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