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| Mirrors > Home > MPE Home > Th. List > 0sno | Structured version Visualization version GIF version | ||
| Description: Surreal zero is a surreal. (Contributed by Scott Fenton, 7-Aug-2024.) |
| Ref | Expression |
|---|---|
| 0sno | ⊢ 0s ∈ No |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-0s 27805 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5302 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulssgt 27776 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | scutcl 27780 | . . 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 4286 𝒫 cpw 4555 class class class wbr 5099 (class class class)co 7360 No csur 27611 <<s csslt 27757 |s cscut 27759 0s c0s 27803 |
| 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 5225 ax-sep 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 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 3062 df-rmo 3351 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-tp 4586 df-op 4588 df-uni 4865 df-int 4904 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-ord 6321 df-on 6322 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-1o 8399 df-2o 8400 df-no 27614 df-slt 27615 df-bday 27616 df-sslt 27758 df-scut 27760 df-0s 27805 |
| This theorem is referenced by: 1sno 27808 0slt1s 27810 bday1s 27812 cuteq0 27813 cutneg 27814 cuteq1 27815 sgt0ne0 27816 made0 27855 right1s 27878 0elold 27892 addsrid 27946 addslid 27950 addsproplem2 27952 addsfo 27965 sltaddpos1d 27993 sltaddpos2d 27994 addsgt0d 27996 sltp1d 27997 addsge01d 27998 negs0s 28008 negs1s 28009 negsproplem2 28011 negsproplem6 28015 negscl 28018 negsid 28023 negsdi 28032 slt0neg2d 28033 subsfo 28047 negsval2 28048 subsid1 28050 posdifsd 28080 sltsubposd 28081 subsge0d 28082 muls01 28094 mulsrid 28095 mulsproplem2 28099 mulsproplem3 28100 mulsproplem4 28101 mulsproplem5 28102 mulsproplem6 28103 mulsproplem7 28104 mulsproplem8 28105 mulscl 28116 sltmul 28118 slemuld 28120 muls02 28123 mulsgt0 28126 mulsge0d 28128 sltmulneg1d 28158 mulscan2d 28161 slemul1ad 28164 sltmul12ad 28165 muls0ord 28167 precsexlem8 28195 precsexlem9 28196 precsexlem11 28198 recsex 28200 abs0s 28223 abssnid 28224 absmuls 28225 abssge0 28226 abssneg 28228 sleabs 28229 0ons 28237 peano5n0s 28300 n0ssno 28301 0n0s 28310 peano2n0s 28311 dfn0s2 28312 n0sind 28313 n0scut 28314 n0sge0 28318 nnsgt0 28319 elnns2 28321 nnsge1 28323 nnsrecgt0d 28331 seqn0sfn 28339 n0subs 28342 n0slt1e0 28347 eucliddivs 28355 elzs2 28378 elnnzs 28380 elznns 28381 1p1e2s 28395 twocut 28402 nohalf 28403 pw2recs 28417 pw2gt0divsd 28424 pw2ge0divsd 28425 pw2divsnegd 28428 pw2divs0d 28434 halfcut 28437 bdaypw2n0sbndlem 28442 bdaypw2n0sbnd 28443 bdayfinbndlem1 28446 zs12bdaylem1 28449 zs12bday 28464 bdayfin 28466 recut 28473 elreno2 28474 0reno 28475 1reno 28476 |
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