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| Mirrors > Home > MPE Home > Th. List > 1no | Structured version Visualization version GIF version | ||
| Description: Surreal one is a surreal. (Contributed by Scott Fenton, 7-Aug-2024.) |
| Ref | Expression |
|---|---|
| 1no | ⊢ 1s ∈ No |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-1s 28176 | . 2 ⊢ 1s = ({ 0s } |s ∅) | |
| 2 | 0no 28177 | . . . . 5 ⊢ 0s ∈ No | |
| 3 | snelpwi 5412 | . . . . 5 ⊢ ( 0s ∈ No → { 0s } ∈ 𝒫 No ) | |
| 4 | 2, 3 | ax-mp 5 | . . . 4 ⊢ { 0s } ∈ 𝒫 No |
| 5 | nulsgts 28144 | . . . 4 ⊢ ({ 0s } ∈ 𝒫 No → { 0s } <<s ∅) | |
| 6 | 4, 5 | ax-mp 5 | . . 3 ⊢ { 0s } <<s ∅ |
| 7 | cutscl 28150 | . . 3 ⊢ ({ 0s } <<s ∅ → ({ 0s } |s ∅) ∈ No ) | |
| 8 | 6, 7 | ax-mp 5 | . 2 ⊢ ({ 0s } |s ∅) ∈ No |
| 9 | 1, 8 | eqeltri 2857 | 1 ⊢ 1s ∈ No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2145 ∅c0 4279 𝒫 cpw 4557 {csn 4584 class class class wbr 5103 (class class class)co 7412 No csur 27979 <<s cslts 28125 |s ccuts 28127 0s c0s 28173 1s c1s 28174 |
| 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 df-1s 28176 |
| This theorem is used by: cuteq1 28185 right1s 28264 peano2no 28352 ltsp1d 28383 neg1s 28395 ltsm1d 28470 mulsrid 28481 mulslid 28510 divs1 28572 precsexlem8 28582 precsexlem9 28583 precsexlem10 28584 precsexlem11 28585 divsrecd 28602 divsdird 28603 1ons 28625 n0cut 28702 n0cut2 28703 n0on 28704 n0sge0 28706 n0s0suc 28710 nnsge1 28711 n0addscl 28712 n0mulscl 28713 1n0s 28716 nnsrecgt0d 28719 n0fincut 28723 n0s0m1 28730 n0subs 28731 n0ltsp1le 28733 n0lesltp1 28734 n0lesm1lt 28735 n0lts1e0 28736 n0p1nns 28739 dfnns2 28740 nnsind 28741 nn1m1nns 28742 nnm1n0s 28743 eucliddivs 28744 nnzs 28754 0zs 28756 elzn0s 28766 peano5uzs 28772 zcuts 28775 no2times 28785 n0seo 28789 zseo 28790 twocut 28791 nohalf 28792 expsval 28793 exps1 28796 expsp1 28797 expscl 28799 expadds 28803 pw2recs 28806 pw2divsrecd 28815 pw2divsdird 28816 pw2divsidd 28824 halfcut 28826 addhalfcut 28827 pw2cut 28828 pw2cutp1 28829 pw2cut2 28830 bdaypw2n0bndlem 28831 bdaypw2bnd 28833 bdayfinbndlem1 28835 z12bdaylem1 28838 z12bdaylem2 28839 recut 28862 elreno2 28863 0reno 28864 1reno 28865 renegscl 28866 readdscl 28867 remulscllem1 28868 remulscl 28870 |
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