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| Mirrors > Home > MPE Home > Th. List > smndex1id | Structured version Visualization version GIF version | ||
| Description: The modulo function 𝐼 is the identity of the monoid of endofunctions on ℕ0 restricted to the modulo function 𝐼 and the constant functions (𝐺‘𝐾). (Contributed by AV, 16-Feb-2024.) |
| Ref | Expression |
|---|---|
| smndex1ibas.m | ⊢ 𝑀 = (EndoFMnd‘ℕ0) |
| smndex1ibas.n | ⊢ 𝑁 ∈ ℕ |
| smndex1ibas.i | ⊢ 𝐼 = (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) |
| smndex1ibas.g | ⊢ 𝐺 = (𝑛 ∈ (0..^𝑁) ↦ (𝑥 ∈ ℕ0 ↦ 𝑛)) |
| smndex1mgm.b | ⊢ 𝐵 = ({𝐼} ∪ ∪ 𝑛 ∈ (0..^𝑁){(𝐺‘𝑛)}) |
| smndex1mgm.s | ⊢ 𝑆 = (𝑀 ↾s 𝐵) |
| Ref | Expression |
|---|---|
| smndex1id | ⊢ 𝐼 = (0g‘𝑆) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | smndex1ibas.i | . . . . . 6 ⊢ 𝐼 = (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) | |
| 2 | nn0ex 12616 | . . . . . . 7 ⊢ ℕ0 ∈ V | |
| 3 | 2 | mptex 7230 | . . . . . 6 ⊢ (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) ∈ V |
| 4 | 1, 3 | eqeltri 2856 | . . . . 5 ⊢ 𝐼 ∈ V |
| 5 | 4 | snid 4619 | . . . 4 ⊢ 𝐼 ∈ {𝐼} |
| 6 | elun1 4180 | . . . 4 ⊢ (𝐼 ∈ {𝐼} → 𝐼 ∈ ({𝐼} ∪ ∪ 𝑛 ∈ (0..^𝑁){(𝐺‘𝑛)})) | |
| 7 | 5, 6 | ax-mp 5 | . . 3 ⊢ 𝐼 ∈ ({𝐼} ∪ ∪ 𝑛 ∈ (0..^𝑁){(𝐺‘𝑛)}) |
| 8 | smndex1mgm.b | . . 3 ⊢ 𝐵 = ({𝐼} ∪ ∪ 𝑛 ∈ (0..^𝑁){(𝐺‘𝑛)}) | |
| 9 | 7, 8 | eleqtrri 2859 | . 2 ⊢ 𝐼 ∈ 𝐵 |
| 10 | smndex1ibas.m | . . . . . 6 ⊢ 𝑀 = (EndoFMnd‘ℕ0) | |
| 11 | smndex1ibas.n | . . . . . 6 ⊢ 𝑁 ∈ ℕ | |
| 12 | smndex1ibas.g | . . . . . 6 ⊢ 𝐺 = (𝑛 ∈ (0..^𝑁) ↦ (𝑥 ∈ ℕ0 ↦ 𝑛)) | |
| 13 | smndex1mgm.s | . . . . . 6 ⊢ 𝑆 = (𝑀 ↾s 𝐵) | |
| 14 | 10, 11, 1, 12, 8, 13 | smndex1bas 19111 | . . . . 5 ⊢ (Base‘𝑆) = 𝐵 |
| 15 | 14 | eqcomi 2769 | . . . 4 ⊢ 𝐵 = (Base‘𝑆) |
| 16 | 15 | a1i 11 | . . 3 ⊢ (𝐼 ∈ 𝐵 → 𝐵 = (Base‘𝑆)) |
| 17 | snex 5396 | . . . . . 6 ⊢ {𝐼} ∈ V | |
| 18 | ovex 7454 | . . . . . . 7 ⊢ (0..^𝑁) ∈ V | |
| 19 | snex 5396 | . . . . . . 7 ⊢ {(𝐺‘𝑛)} ∈ V | |
| 20 | 18, 19 | iunex 7981 | . . . . . 6 ⊢ ∪ 𝑛 ∈ (0..^𝑁){(𝐺‘𝑛)} ∈ V |
| 21 | 17, 20 | unex 7762 | . . . . 5 ⊢ ({𝐼} ∪ ∪ 𝑛 ∈ (0..^𝑁){(𝐺‘𝑛)}) ∈ V |
| 22 | 8, 21 | eqeltri 2856 | . . . 4 ⊢ 𝐵 ∈ V |
| 23 | eqid 2760 | . . . . 5 ⊢ (+g‘𝑀) = (+g‘𝑀) | |
| 24 | 13, 23 | ressplusg 17468 | . . . 4 ⊢ (𝐵 ∈ V → (+g‘𝑀) = (+g‘𝑆)) |
| 25 | 22, 24 | mp1i 14 | . . 3 ⊢ (𝐼 ∈ 𝐵 → (+g‘𝑀) = (+g‘𝑆)) |
| 26 | id 23 | . . 3 ⊢ (𝐼 ∈ 𝐵 → 𝐼 ∈ 𝐵) | |
| 27 | 10, 11, 1 | smndex1ibas 19102 | . . . . . 6 ⊢ 𝐼 ∈ (Base‘𝑀) |
| 28 | 27 | a1i 11 | . . . . 5 ⊢ (𝐼 ∈ 𝐵 → 𝐼 ∈ (Base‘𝑀)) |
| 29 | 10, 11, 1, 12, 8 | smndex1basss 19110 | . . . . . 6 ⊢ 𝐵 ⊆ (Base‘𝑀) |
| 30 | 29 | sseli 3904 | . . . . 5 ⊢ (𝑎 ∈ 𝐵 → 𝑎 ∈ (Base‘𝑀)) |
| 31 | eqid 2760 | . . . . . 6 ⊢ (Base‘𝑀) = (Base‘𝑀) | |
| 32 | 10, 31, 23 | efmndov 19083 | . . . . 5 ⊢ ((𝐼 ∈ (Base‘𝑀) ∧ 𝑎 ∈ (Base‘𝑀)) → (𝐼(+g‘𝑀)𝑎) = (𝐼 ∘ 𝑎)) |
| 33 | 28, 30, 32 | syl2an 608 | . . . 4 ⊢ ((𝐼 ∈ 𝐵 ∧ 𝑎 ∈ 𝐵) → (𝐼(+g‘𝑀)𝑎) = (𝐼 ∘ 𝑎)) |
| 34 | 10, 11, 1, 12, 8, 13 | smndex1mndlem 19114 | . . . . . 6 ⊢ (𝑎 ∈ 𝐵 → ((𝐼 ∘ 𝑎) = 𝑎 ∧ (𝑎 ∘ 𝐼) = 𝑎)) |
| 35 | 34 | simpld 500 | . . . . 5 ⊢ (𝑎 ∈ 𝐵 → (𝐼 ∘ 𝑎) = 𝑎) |
| 36 | 35 | adantl 487 | . . . 4 ⊢ ((𝐼 ∈ 𝐵 ∧ 𝑎 ∈ 𝐵) → (𝐼 ∘ 𝑎) = 𝑎) |
| 37 | 33, 36 | eqtrd 2795 | . . 3 ⊢ ((𝐼 ∈ 𝐵 ∧ 𝑎 ∈ 𝐵) → (𝐼(+g‘𝑀)𝑎) = 𝑎) |
| 38 | 10, 31, 23 | efmndov 19083 | . . . . 5 ⊢ ((𝑎 ∈ (Base‘𝑀) ∧ 𝐼 ∈ (Base‘𝑀)) → (𝑎(+g‘𝑀)𝐼) = (𝑎 ∘ 𝐼)) |
| 39 | 30, 28, 38 | syl2anr 609 | . . . 4 ⊢ ((𝐼 ∈ 𝐵 ∧ 𝑎 ∈ 𝐵) → (𝑎(+g‘𝑀)𝐼) = (𝑎 ∘ 𝐼)) |
| 40 | 34 | simprd 501 | . . . . 5 ⊢ (𝑎 ∈ 𝐵 → (𝑎 ∘ 𝐼) = 𝑎) |
| 41 | 40 | adantl 487 | . . . 4 ⊢ ((𝐼 ∈ 𝐵 ∧ 𝑎 ∈ 𝐵) → (𝑎 ∘ 𝐼) = 𝑎) |
| 42 | 39, 41 | eqtrd 2795 | . . 3 ⊢ ((𝐼 ∈ 𝐵 ∧ 𝑎 ∈ 𝐵) → (𝑎(+g‘𝑀)𝐼) = 𝑎) |
| 43 | 16, 25, 26, 37, 42 | grpidd 18858 | . 2 ⊢ (𝐼 ∈ 𝐵 → 𝐼 = (0g‘𝑆)) |
| 44 | 9, 43 | ax-mp 5 | 1 ⊢ 𝐼 = (0g‘𝑆) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∧ wa 401 = wceq 1569 ∈ wcel 2144 Vcvv 3450 ∪ cun 4149 {csn 4584 ∪ ciun 4950 ↦ cmpt 5185 ∘ ccom 5654 ‘cfv 6539 (class class class)co 7421 0cc0 11204 ℕcn 12339 ℕ0cn0 12610 ..^cfzo 13792 mod cmo 14013 Basecbs 17393 ↾s cress 17414 +gcplusg 17434 0gc0g 17616 EndoFMndcefmnd 19070 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 ax-pre-sup 11282 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-1st 8002 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-1o 8480 df-er 8721 df-map 8853 df-en 8978 df-dom 8979 df-sdom 8980 df-fin 8981 df-sup 9438 df-inf 9439 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-div 11978 df-nn 12340 df-2 12409 df-3 12410 df-4 12411 df-5 12412 df-6 12413 df-7 12414 df-8 12415 df-9 12416 df-n0 12611 df-z 12698 df-uz 12970 df-rp 13125 df-fz 13644 df-fzo 13793 df-fl 13936 df-mod 14014 df-struct 17331 df-sets 17348 df-slot 17366 df-ndx 17378 df-base 17394 df-ress 17415 df-plusg 17447 df-tset 17453 df-0g 17618 df-efmnd 19071 |
| This theorem is used by: (None) |
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