| 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 50242 | . . . . 5 ⊢ (𝜑 → 𝐶 = {〈(Base‘ndx), {𝑀}〉, 〈(Hom ‘ndx), {〈𝑀, 𝑀, (Base‘𝑀)〉}〉, 〈(comp‘ndx), {〈〈𝑀, 𝑀, 𝑀〉, (+g‘𝑀)〉}〉}) |
| 5 | catstr 18017 | . . . . 5 ⊢ {〈(Base‘ndx), {𝑀}〉, 〈(Hom ‘ndx), {〈𝑀, 𝑀, (Base‘𝑀)〉}〉, 〈(comp‘ndx), {〈〈𝑀, 𝑀, 𝑀〉, (+g‘𝑀)〉}〉} Struct 〈1, ;15〉 | |
| 6 | homid 17465 | . . . . 5 ⊢ Hom = Slot (Hom ‘ndx) | |
| 7 | snsstp2 4787 | . . . . 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 5411 | . . . . . 6 ⊢ {〈𝑀, 𝑀, (Base‘𝑀)〉} ∈ V | |
| 9 | 8 | a1i 11 | . . . . 5 ⊢ (𝜑 → {〈𝑀, 𝑀, (Base‘𝑀)〉} ∈ V) |
| 10 | eqid 2769 | . . . . 5 ⊢ (Hom ‘𝐶) = (Hom ‘𝐶) | |
| 11 | 4, 5, 6, 7, 9, 10 | strfv3 17264 | . . . 4 ⊢ (𝜑 → (Hom ‘𝐶) = {〈𝑀, 𝑀, (Base‘𝑀)〉}) |
| 12 | 1, 11 | eqtrd 2804 | . . 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 50245 | . . 3 ⊢ (𝜑 → 𝑋 = 𝑀) |
| 16 | mndtchom.y | . . . 4 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 17 | 2, 3, 13, 16 | mndtcob 50245 | . . 3 ⊢ (𝜑 → 𝑌 = 𝑀) |
| 18 | 12, 15, 17 | oveq123d 7432 | . 2 ⊢ (𝜑 → (𝑋𝐻𝑌) = (𝑀{〈𝑀, 𝑀, (Base‘𝑀)〉}𝑀)) |
| 19 | fvex 6895 | . . 3 ⊢ (Base‘𝑀) ∈ V | |
| 20 | 19 | ovsn2 49524 | . 2 ⊢ (𝑀{〈𝑀, 𝑀, (Base‘𝑀)〉}𝑀) = (Base‘𝑀) |
| 21 | 18, 20 | eqtrdi 2820 | 1 ⊢ (𝜑 → (𝑋𝐻𝑌) = (Base‘𝑀)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 ∈ wcel 2149 Vcvv 3463 {csn 4594 {ctp 4598 〈cop 4600 〈cotp 4602 ‘cfv 6537 (class class class)co 7411 1c1 11101 5c5 12298 ;cdc 12711 ndxcnx 17253 Basecbs 17269 +gcplusg 17310 Hom chom 17321 compcco 17322 Mndcmnd 18792 MndToCatcmndtc 50240 |
| 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 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 |
| 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-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-ot 4603 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7863 df-1st 7986 df-2nd 7987 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-1o 8453 df-er 8694 df-en 8944 df-dom 8945 df-sdom 8946 df-fin 8947 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-nn 12234 df-2 12303 df-3 12304 df-4 12305 df-5 12306 df-6 12307 df-7 12308 df-8 12309 df-9 12310 df-n0 12505 df-z 12592 df-dec 12712 df-uz 12863 df-fz 13536 df-struct 17207 df-slot 17242 df-ndx 17254 df-base 17270 df-hom 17334 df-cco 17335 df-mndtc 50241 |
| This theorem is referenced by: mndtccatid 50250 oppgoppchom 50253 grptcmon 50256 grptcepi 50257 |
| Copyright terms: Public domain | W3C validator |