| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > smndex1ibas | Structured version Visualization version GIF version | ||
| Description: The modulo function 𝐼 is an endofunction on ℕ0. (Contributed by AV, 12-Feb-2024.) |
| Ref | Expression |
|---|---|
| smndex1ibas.m | ⊢ 𝑀 = (EndoFMnd‘ℕ0) |
| smndex1ibas.n | ⊢ 𝑁 ∈ ℕ |
| smndex1ibas.i | ⊢ 𝐼 = (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) |
| Ref | Expression |
|---|---|
| smndex1ibas | ⊢ 𝐼 ∈ (Base‘𝑀) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2769 | . . . 4 ⊢ (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) = (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) | |
| 2 | nn0z 12617 | . . . . 5 ⊢ (𝑥 ∈ ℕ0 → 𝑥 ∈ ℤ) | |
| 3 | smndex1ibas.n | . . . . . 6 ⊢ 𝑁 ∈ ℕ | |
| 4 | 3 | a1i 11 | . . . . 5 ⊢ (𝑥 ∈ ℕ0 → 𝑁 ∈ ℕ) |
| 5 | 2, 4 | zmodcld 13927 | . . . 4 ⊢ (𝑥 ∈ ℕ0 → (𝑥 mod 𝑁) ∈ ℕ0) |
| 6 | 1, 5 | fmpti 7110 | . . 3 ⊢ (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)):ℕ0⟶ℕ0 |
| 7 | nn0ex 12512 | . . . 4 ⊢ ℕ0 ∈ V | |
| 8 | 7, 7 | elmap 8871 | . . 3 ⊢ ((𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) ∈ (ℕ0 ↑m ℕ0) ↔ (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)):ℕ0⟶ℕ0) |
| 9 | 6, 8 | mpbir 234 | . 2 ⊢ (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) ∈ (ℕ0 ↑m ℕ0) |
| 10 | smndex1ibas.i | . 2 ⊢ 𝐼 = (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) | |
| 11 | smndex1ibas.m | . . 3 ⊢ 𝑀 = (EndoFMnd‘ℕ0) | |
| 12 | eqid 2769 | . . 3 ⊢ (Base‘𝑀) = (Base‘𝑀) | |
| 13 | 11, 12 | efmndbas 18932 | . 2 ⊢ (Base‘𝑀) = (ℕ0 ↑m ℕ0) |
| 14 | 9, 10, 13 | 3eltr4i 2882 | 1 ⊢ 𝐼 ∈ (Base‘𝑀) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 ∈ wcel 2149 ↦ cmpt 5196 ⟶wf 6535 ‘cfv 6539 (class class class)co 7413 ↑m cmap 8826 ℕcn 12235 ℕ0cn0 12506 mod cmo 13904 Basecbs 17271 EndoFMndcefmnd 18929 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5273 ax-pow 5339 ax-pr 5407 ax-un 7735 ax-cnex 11158 ax-resscn 11159 ax-1cn 11160 ax-icn 11161 ax-addcl 11162 ax-addrcl 11163 ax-mulcl 11164 ax-mulrcl 11165 ax-mulcom 11166 ax-addass 11167 ax-mulass 11168 ax-distr 11169 ax-i2m1 11170 ax-1ne0 11171 ax-1rid 11172 ax-rnegex 11173 ax-rrecex 11174 ax-cnre 11175 ax-pre-lttri 11176 ax-pre-lttrn 11177 ax-pre-ltadd 11178 ax-pre-mulgt0 11179 ax-pre-sup 11180 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5559 df-eprel 5564 df-po 5572 df-so 5573 df-fr 5617 df-we 5619 df-xp 5670 df-rel 5671 df-cnv 5672 df-co 5673 df-dm 5674 df-rn 5675 df-res 5676 df-ima 5677 df-pred 6305 df-ord 6366 df-on 6367 df-lim 6368 df-suc 6369 df-iota 6495 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-om 7865 df-1st 7988 df-2nd 7989 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-1o 8455 df-er 8696 df-map 8828 df-en 8946 df-dom 8947 df-sdom 8948 df-fin 8949 df-sup 9404 df-inf 9405 df-pnf 11247 df-mnf 11248 df-xr 11249 df-ltxr 11250 df-le 11251 df-sub 11445 df-neg 11446 df-div 11874 df-nn 12236 df-2 12305 df-3 12306 df-4 12307 df-5 12308 df-6 12309 df-7 12310 df-8 12311 df-9 12312 df-n0 12507 df-z 12594 df-uz 12865 df-rp 13019 df-fz 13538 df-fl 13827 df-mod 13905 df-struct 17209 df-slot 17244 df-ndx 17256 df-base 17272 df-plusg 17325 df-tset 17331 df-efmnd 18930 |
| This theorem is referenced by: smndex1basss 18969 smndex1mgm 18971 smndex1mndlem 18973 smndex1id 18975 |
| Copyright terms: Public domain | W3C validator |