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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 28175 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5317 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 28144 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 28150 | . . 3 ⊢ (∅ <<s ∅ → (∅ |s ∅) ∈ No ) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (∅ |s ∅) ∈ No |
| 7 | 1, 6 | eqeltri 2857 | 1 ⊢ 0s ∈ No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2145 ∅c0 4279 𝒫 cpw 4557 class class class wbr 5103 (class class class)co 7412 No csur 27979 <<s cslts 28125 |s ccuts 28127 0s c0s 28173 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-ord 6358 df-on 6359 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-1o 8460 df-2o 8461 df-no 27982 df-lts 27983 df-bday 27984 df-slts 28126 df-cuts 28128 df-0s 28175 |
| This theorem is used by: 1no 28178 0lt1s 28180 bday1 28182 cuteq0 28183 cutneg 28184 cuteq1 28185 gt0ne0s 28186 made0 28231 right1s 28264 0elold 28278 addsrid 28332 addslid 28336 addsproplem2 28338 addsfo 28351 ltaddspos1d 28379 ltaddspos2d 28380 addsgt0d 28382 ltsp1d 28383 addsge01d 28384 neg0s 28394 neg1s 28395 negsproplem2 28397 negsproplem6 28401 negscl 28404 negsid 28409 negsdi 28418 lt0negs2d 28419 subsfo 28433 negsval2 28434 subsid1 28436 posdifsd 28466 ltsubsposd 28467 subsge0d 28468 muls01 28480 mulsrid 28481 mulsproplem2 28485 mulsproplem3 28486 mulsproplem4 28487 mulsproplem5 28488 mulsproplem6 28489 mulsproplem7 28490 mulsproplem8 28491 mulscl 28502 ltmuls 28504 lemulsd 28506 muls02 28509 mulsgt0 28512 mulsge0d 28514 ltmulnegs1d 28544 mulscan2d 28547 lemuls1ad 28550 ltmuls12ad 28551 muls0ord 28553 precsexlem8 28582 precsexlem9 28583 precsexlem11 28585 recsex 28587 abs0s 28610 abssnid 28611 absmuls 28612 abssge0 28613 absnegs 28615 leabss 28616 0ons 28624 peano5n0s 28687 n0ssno 28688 0n0s 28697 peano2n0s 28698 dfn0s2 28700 n0sind 28701 n0cut 28702 n0sge0 28706 nnsgt0 28707 elnns2 28709 nnsge1 28711 nnsrecgt0d 28719 seqn0sfn 28728 n0subs 28731 n0lts1e0 28736 eucliddivs 28744 elzs2 28767 elnnzs 28769 elznns 28770 twocut 28791 nohalf 28792 pw2recs 28806 pw2gt0divsd 28813 pw2ge0divsd 28814 pw2divsnegd 28817 pw2divs0d 28823 halfcut 28826 bdaypw2n0bndlem 28831 bdaypw2n0bnd 28832 bdayfinbndlem1 28835 z12bdaylem1 28838 z12bday 28853 bdayfin 28855 recut 28862 elreno2 28863 0reno 28864 1reno 28865 |
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