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| Mirrors > Home > ILE Home > Th. List > zringbas | GIF version | ||
| Description: The integers are the base of the ring of integers. (Contributed by Thierry Arnoux, 31-Oct-2017.) (Revised by AV, 9-Jun-2019.) |
| Ref | Expression |
|---|---|
| zringbas | ⊢ ℤ = (Base‘ℤring) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-zring 15036 | . . . 4 ⊢ ℤring = (ℂfld ↾s ℤ) | |
| 2 | 1 | a1i 9 | . . 3 ⊢ (⊤ → ℤring = (ℂfld ↾s ℤ)) |
| 3 | cnfldbas 15007 | . . . 4 ⊢ ℂ = (Base‘ℂfld) | |
| 4 | 3 | a1i 9 | . . 3 ⊢ (⊤ → ℂ = (Base‘ℂfld)) |
| 5 | cnfldex 15006 | . . . 4 ⊢ ℂfld ∈ V | |
| 6 | 5 | a1i 9 | . . 3 ⊢ (⊤ → ℂfld ∈ V) |
| 7 | zsscn 9664 | . . . 4 ⊢ ℤ ⊆ ℂ | |
| 8 | 7 | a1i 9 | . . 3 ⊢ (⊤ → ℤ ⊆ ℂ) |
| 9 | 2, 4, 6, 8 | ressbas2d 13482 | . 2 ⊢ (⊤ → ℤ = (Base‘ℤring)) |
| 10 | 9 | mptru 1411 | 1 ⊢ ℤ = (Base‘ℤring) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: = wceq 1402 ⊤wtru 1403 ∈ wcel 2209 Vcvv 2821 ⊆ wss 3220 ‘cfv 5380 (class class class)co 6088 ℂcc 8184 ℤcz 9656 Basecbs 13411 ↾s cress 13412 ℂfldccnfld 15003 ℤringczring 15035 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4248 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8277 ax-resscn 8278 ax-1cn 8279 ax-1re 8280 ax-icn 8281 ax-addcl 8282 ax-addrcl 8283 ax-mulcl 8284 ax-mulrcl 8285 ax-addcom 8286 ax-mulcom 8287 ax-addass 8288 ax-mulass 8289 ax-distr 8290 ax-i2m1 8291 ax-0lt1 8292 ax-1rid 8293 ax-0id 8294 ax-rnegex 8295 ax-precex 8296 ax-cnre 8297 ax-pre-ltirr 8298 ax-pre-ltwlin 8299 ax-pre-lttrn 8300 ax-pre-apti 8301 ax-pre-ltadd 8302 ax-pre-mulgt0 8303 |
| This proof depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3715 df-pr 3716 df-tp 3717 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-1st 6378 df-2nd 6379 df-pnf 8369 df-mnf 8370 df-xr 8371 df-ltxr 8372 df-le 8373 df-sub 8507 df-neg 8508 df-reap 8912 df-inn 9315 df-2 9373 df-3 9374 df-4 9375 df-5 9376 df-6 9377 df-7 9378 df-8 9379 df-9 9380 df-n0 9576 df-z 9657 df-dec 9790 df-uz 9939 df-rp 10073 df-fz 10430 df-cj 11630 df-abs 11788 df-struct 13413 df-ndx 13414 df-slot 13415 df-base 13417 df-sets 13418 df-iress 13419 df-plusg 13504 df-mulr 13505 df-starv 13506 df-tset 13510 df-ple 13511 df-ds 13513 df-unif 13514 df-topgen 13674 df-bl 14993 df-mopn 14994 df-fg 14996 df-metu 14997 df-cnfld 15004 df-zring 15036 |
| This theorem is used by: dvdsrzring 15048 zringinvg 15049 expghmap 15052 mulgghm2 15053 mulgrhm 15054 mulgrhm2 15055 znlidl 15079 znbas 15089 znzrh2 15091 znzrhfo 15093 zndvds 15094 znf1o 15096 znidom 15102 znidomb 15103 znunit 15104 znrrg 15105 lgseisenlem3 16408 lgseisenlem4 16409 |
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