| Mathbox for Zhi Wang |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > mndtchom | Structured version Visualization version GIF version | ||
| Description: The only hom-set of the category built from a monoid is the base set of the monoid. (Contributed by Zhi Wang, 22-Sep-2024.) (Proof shortened by Zhi Wang, 22-Oct-2025.) |
| Ref | Expression |
|---|---|
| mndtcbas.c | ⊢ (𝜑 → 𝐶 = (MndToCat‘𝑀)) |
| mndtcbas.m | ⊢ (𝜑 → 𝑀 ∈ Mnd) |
| mndtcbas.b | ⊢ (𝜑 → 𝐵 = (Base‘𝐶)) |
| mndtchom.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| mndtchom.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| mndtchom.h | ⊢ (𝜑 → 𝐻 = (Hom ‘𝐶)) |
| Ref | Expression |
|---|---|
| mndtchom | ⊢ (𝜑 → (𝑋𝐻𝑌) = (Base‘𝑀)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mndtchom.h | . . . 4 ⊢ (𝜑 → 𝐻 = (Hom ‘𝐶)) | |
| 2 | mndtcbas.c | . . . . . 6 ⊢ (𝜑 → 𝐶 = (MndToCat‘𝑀)) | |
| 3 | mndtcbas.m | . . . . . 6 ⊢ (𝜑 → 𝑀 ∈ Mnd) | |
| 4 | 2, 3 | mndtcval 50433 | . . . . 5 ⊢ (𝜑 → 𝐶 = {〈(Base‘ndx), {𝑀}〉, 〈(Hom ‘ndx), {〈𝑀, 𝑀, (Base‘𝑀)〉}〉, 〈(comp‘ndx), {〈〈𝑀, 𝑀, 𝑀〉, (+g‘𝑀)〉}〉}) |
| 5 | catstr 18043 | . . . . 5 ⊢ {〈(Base‘ndx), {𝑀}〉, 〈(Hom ‘ndx), {〈𝑀, 𝑀, (Base‘𝑀)〉}〉, 〈(comp‘ndx), {〈〈𝑀, 𝑀, 𝑀〉, (+g‘𝑀)〉}〉} Struct 〈1, ;15〉 | |
| 6 | homid 17491 | . . . . 5 ⊢ Hom = Slot (Hom ‘ndx) | |
| 7 | snsstp2 4785 | . . . . 5 ⊢ {〈(Hom ‘ndx), {〈𝑀, 𝑀, (Base‘𝑀)〉}〉} ⊆ {〈(Base‘ndx), {𝑀}〉, 〈(Hom ‘ndx), {〈𝑀, 𝑀, (Base‘𝑀)〉}〉, 〈(comp‘ndx), {〈〈𝑀, 𝑀, 𝑀〉, (+g‘𝑀)〉}〉} | |
| 8 | snex 5412 | . . . . . 6 ⊢ {〈𝑀, 𝑀, (Base‘𝑀)〉} ∈ V | |
| 9 | 8 | a1i 11 | . . . . 5 ⊢ (𝜑 → {〈𝑀, 𝑀, (Base‘𝑀)〉} ∈ V) |
| 10 | eqid 2765 | . . . . 5 ⊢ (Hom ‘𝐶) = (Hom ‘𝐶) | |
| 11 | 4, 5, 6, 7, 9, 10 | strfv3 17290 | . . . 4 ⊢ (𝜑 → (Hom ‘𝐶) = {〈𝑀, 𝑀, (Base‘𝑀)〉}) |
| 12 | 1, 11 | eqtrd 2800 | . . 3 ⊢ (𝜑 → 𝐻 = {〈𝑀, 𝑀, (Base‘𝑀)〉}) |
| 13 | mndtcbas.b | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝐶)) | |
| 14 | mndtchom.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 15 | 2, 3, 13, 14 | mndtcob 50436 | . . 3 ⊢ (𝜑 → 𝑋 = 𝑀) |
| 16 | mndtchom.y | . . . 4 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 17 | 2, 3, 13, 16 | mndtcob 50436 | . . 3 ⊢ (𝜑 → 𝑌 = 𝑀) |
| 18 | 12, 15, 17 | oveq123d 7440 | . 2 ⊢ (𝜑 → (𝑋𝐻𝑌) = (𝑀{〈𝑀, 𝑀, (Base‘𝑀)〉}𝑀)) |
| 19 | fvex 6898 | . . 3 ⊢ (Base‘𝑀) ∈ V | |
| 20 | 19 | ovsn2 49715 | . 2 ⊢ (𝑀{〈𝑀, 𝑀, (Base‘𝑀)〉}𝑀) = (Base‘𝑀) |
| 21 | 18, 20 | eqtrdi 2816 | 1 ⊢ (𝜑 → (𝑋𝐻𝑌) = (Base‘𝑀)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 Vcvv 3457 {csn 4591 {ctp 4595 〈cop 4597 〈cotp 4599 ‘cfv 6540 (class class class)co 7419 1c1 11120 5c5 12317 ;cdc 12731 ndxcnx 17279 Basecbs 17295 +gcplusg 17336 Hom chom 17347 compcco 17348 Mndcmnd 18828 MndToCatcmndtc 50431 |
| 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 11175 ax-resscn 11176 ax-1cn 11177 ax-icn 11178 ax-addcl 11179 ax-addrcl 11180 ax-mulcl 11181 ax-mulrcl 11182 ax-mulcom 11183 ax-addass 11184 ax-mulass 11185 ax-distr 11186 ax-i2m1 11187 ax-1ne0 11188 ax-1rid 11189 ax-rnegex 11190 ax-rrecex 11191 ax-cnre 11192 ax-pre-lttri 11193 ax-pre-lttrn 11194 ax-pre-ltadd 11195 ax-pre-mulgt0 11196 |
| 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-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-ot 4600 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-en 8950 df-dom 8951 df-sdom 8952 df-fin 8953 df-pnf 11264 df-mnf 11265 df-xr 11266 df-ltxr 11267 df-le 11268 df-sub 11462 df-neg 11463 df-nn 12253 df-2 12322 df-3 12323 df-4 12324 df-5 12325 df-6 12326 df-7 12327 df-8 12328 df-9 12329 df-n0 12524 df-z 12611 df-dec 12732 df-uz 12883 df-fz 13556 df-struct 17233 df-slot 17268 df-ndx 17280 df-base 17296 df-hom 17360 df-cco 17361 df-mndtc 50432 |
| This theorem is used by: mndtccatid 50441 oppgoppchom 50444 grptcmon 50447 grptcepi 50448 |
| Copyright terms: Public domain | W3C validator |