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| 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 2765 | . . . 4 ⊢ (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) = (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) | |
| 2 | nn0z 12630 | . . . . 5 ⊢ (𝑥 ∈ ℕ0 → 𝑥 ∈ ℤ) | |
| 3 | smndex1ibas.n | . . . . . 6 ⊢ 𝑁 ∈ ℕ | |
| 4 | 3 | a1i 11 | . . . . 5 ⊢ (𝑥 ∈ ℕ0 → 𝑁 ∈ ℕ) |
| 5 | 2, 4 | zmodcld 13943 | . . . 4 ⊢ (𝑥 ∈ ℕ0 → (𝑥 mod 𝑁) ∈ ℕ0) |
| 6 | 1, 5 | fmpti 7111 | . . 3 ⊢ (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)):ℕ0⟶ℕ0 |
| 7 | nn0ex 12525 | . . . 4 ⊢ ℕ0 ∈ V | |
| 8 | 7, 7 | elmap 8875 | . . 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 2765 | . . 3 ⊢ (Base‘𝑀) = (Base‘𝑀) | |
| 13 | 11, 12 | efmndbas 18967 | . 2 ⊢ (Base‘𝑀) = (ℕ0 ↑m ℕ0) |
| 14 | 9, 10, 13 | 3eltr4i 2878 | 1 ⊢ 𝐼 ∈ (Base‘𝑀) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2146 ↦ cmpt 5194 ⟶wf 6536 ‘cfv 6540 (class class class)co 7419 ↑m cmap 8830 ℕcn 12248 ℕ0cn0 12519 mod cmo 13920 Basecbs 17291 EndoFMndcefmnd 18964 |
| 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-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11171 ax-resscn 11172 ax-1cn 11173 ax-icn 11174 ax-addcl 11175 ax-addrcl 11176 ax-mulcl 11177 ax-mulrcl 11178 ax-mulcom 11179 ax-addass 11180 ax-mulass 11181 ax-distr 11182 ax-i2m1 11183 ax-1ne0 11184 ax-1rid 11185 ax-rnegex 11186 ax-rrecex 11187 ax-cnre 11188 ax-pre-lttri 11189 ax-pre-lttrn 11190 ax-pre-ltadd 11191 ax-pre-mulgt0 11192 ax-pre-sup 11193 |
| 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-nel 3067 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-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-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-lim 6369 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-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-er 8700 df-map 8832 df-en 8950 df-dom 8951 df-sdom 8952 df-fin 8953 df-sup 9409 df-inf 9410 df-pnf 11260 df-mnf 11261 df-xr 11262 df-ltxr 11263 df-le 11264 df-sub 11458 df-neg 11459 df-div 11887 df-nn 12249 df-2 12318 df-3 12319 df-4 12320 df-5 12321 df-6 12322 df-7 12323 df-8 12324 df-9 12325 df-n0 12520 df-z 12607 df-uz 12879 df-rp 13033 df-fz 13552 df-fl 13843 df-mod 13921 df-struct 17229 df-slot 17264 df-ndx 17276 df-base 17292 df-plusg 17345 df-tset 17351 df-efmnd 18965 |
| This theorem is used by: smndex1basss 19004 smndex1mgm 19006 smndex1mndlem 19008 smndex1id 19010 |
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