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| Mirrors > Home > MPE Home > Th. List > zssno | Structured version Visualization version GIF version | ||
| Description: The surreal integers are a subset of the surreals. (Contributed by Scott Fenton, 17-May-2025.) |
| Ref | Expression |
|---|---|
| zssno | ⊢ ℤs ⊆ No |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | imassrn 6075 | . 2 ⊢ ( -s “ (ℕs × ℕs)) ⊆ ran -s | |
| 2 | df-zs 28623 | . 2 ⊢ ℤs = ( -s “ (ℕs × ℕs)) | |
| 3 | subsfo 28309 | . . . 4 ⊢ -s :( No × No )–onto→ No | |
| 4 | forn 6799 | . . . 4 ⊢ ( -s :( No × No )–onto→ No → ran -s = No ) | |
| 5 | 3, 4 | ax-mp 5 | . . 3 ⊢ ran -s = No |
| 6 | 5 | eqcomi 2774 | . 2 ⊢ No = ran -s |
| 7 | 1, 2, 6 | 3sstr4i 3989 | 1 ⊢ ℤs ⊆ No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ⊆ wss 3906 × cxp 5661 ran crn 5664 “ cima 5666 –onto→wfo 6538 No csur 27855 -s csubs 28264 ℕscnns 28557 ℤsczs 28622 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4875 df-int 4915 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-se 5617 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-1o 8459 df-2o 8460 df-nadd 8658 df-no 27858 df-lts 27859 df-bday 27860 df-slts 28002 df-cuts 28004 df-0s 28051 df-made 28071 df-old 28072 df-left 28074 df-right 28075 df-norec 28182 df-norec2 28193 df-adds 28204 df-negs 28265 df-subs 28266 df-zs 28623 |
| This theorem is used by: zno 28626 zexpscl 28678 |
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