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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 28224 | . 2 ⊢ 1s = ({ 0s } |s ∅) | |
| 2 | 0no 28225 | . . . . 5 ⊢ 0s ∈ No | |
| 3 | snelpwi 5416 | . . . . 5 ⊢ ( 0s ∈ No → { 0s } ∈ 𝒫 No) | |
| 4 | 2, 3 | ax-mp 5 | . . . 4 ⊢ { 0s } ∈ 𝒫 No |
| 5 | nulsgts 28192 | . . . 4 ⊢ ({ 0s } ∈ 𝒫 No → { 0s } <<s ∅) | |
| 6 | 4, 5 | ax-mp 5 | . . 3 ⊢ { 0s } <<s ∅ |
| 7 | cutscl 28198 | . . 3 ⊢ ({ 0s } <<s ∅ → ({ 0s } |s ∅) ∈ No) | |
| 8 | 6, 7 | ax-mp 5 | . 2 ⊢ ({ 0s } |s ∅) ∈ No |
| 9 | 1, 8 | eqeltri 2860 | 1 ⊢ 1s ∈ No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2147 ∅c0 4281 𝒫 cpw 4560 {csn 4588 class class class wbr 5106 (class class class)co 7443 Nocsur 28027 <<s cslts 28173 |s ccuts 28175 0s c0s 28221 1s c1s 28222 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-int 4911 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-ord 6383 df-on 6384 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-1o 8504 df-2o 8505 df-no 28030 df-lts 28031 df-bday 28032 df-slts 28174 df-cuts 28176 df-0s 28223 df-1s 28224 |
| This theorem is used by: cuteq1 28233 right1s 28312 peano2no 28400 ltsp1d 28431 neg1s 28443 ltsm1d 28518 mulsrid 28529 mulslid 28558 divs1 28620 precsexlem8 28630 precsexlem9 28631 precsexlem10 28632 precsexlem11 28633 divsrecd 28650 divsdird 28651 1ons 28673 n0cut 28750 n0cut2 28751 n0on 28752 n0sge0 28754 n0s0suc 28758 nnsge1 28759 n0addscl 28760 n0mulscl 28761 1n0s 28764 nnsrecgt0d 28767 n0fincut 28771 n0s0m1 28778 n0subs 28779 n0ltsp1le 28781 n0lesltp1 28782 n0lesm1lt 28783 n0lts1e0 28784 n0p1nns 28787 dfnns2 28788 nnsind 28789 nn1m1nns 28790 nnm1n0s 28791 eucliddivs 28792 nnzs 28802 0zs 28804 elzn0s 28814 peano5uzs 28820 zcuts 28823 no2times 28833 n0seo 28837 zseo 28838 twocut 28839 nohalf 28840 expsval 28841 exps1 28844 expsp1 28845 expscl 28847 expadds 28851 pw2recs 28854 pw2divsrecd 28863 pw2divsdird 28864 pw2divsidd 28872 halfcut 28874 addhalfcut 28875 pw2cut 28876 pw2cutp1 28877 pw2cut2 28878 bdaypw2n0bndlem 28879 bdaypw2bnd 28881 bdayfinbndlem1 28883 z12bdaylem1 28886 z12bdaylem2 28887 recut 28910 elreno2 28911 0reno 28912 1reno 28913 renegscl 28914 readdscl 28915 remulscllem1 28916 remulscl 28918 |
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