| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 6071 | . 2 ⊢ ( -s “ (ℕs × ℕs)) ⊆ ran -s | |
| 2 | df-zs 28652 | . 2 ⊢ ℤs = ( -s “ (ℕs × ℕs)) | |
| 3 | subsfo 28338 | . . . 4 ⊢ -s :( No × No )–onto→ No | |
| 4 | forn 6796 | . . . 4 ⊢ ( -s :( No × No )–onto→ No → ran -s = No ) | |
| 5 | 3, 4 | ax-mp 5 | . . 3 ⊢ ran -s = No |
| 6 | 5 | eqcomi 2771 | . 2 ⊢ No = ran -s |
| 7 | 1, 2, 6 | 3sstr4i 3985 | 1 ⊢ ℤs ⊆ No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ⊆ wss 3902 × cxp 5657 ran crn 5660 “ cima 5662 –onto→wfo 6535 No csur 27884 -s csubs 28293 ℕscnns 28586 ℤsczs 28651 |
| 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 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-tp 4592 df-op 4594 df-uni 4871 df-int 4911 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-se 5613 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-1st 7990 df-2nd 7991 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-1o 8459 df-2o 8460 df-nadd 8658 df-no 27887 df-lts 27888 df-bday 27889 df-slts 28031 df-cuts 28033 df-0s 28080 df-made 28100 df-old 28101 df-left 28103 df-right 28104 df-norec 28211 df-norec2 28222 df-adds 28233 df-negs 28294 df-subs 28295 df-zs 28652 |
| This theorem is used by: zno 28655 zexpscl 28707 |
| Copyright terms: Public domain | W3C validator |