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Mirrors > Home > MPE Home > Th. List > pws0g | Structured version Visualization version GIF version |
Description: Zero in a product of monoids. (Contributed by Mario Carneiro, 11-Jan-2015.) |
Ref | Expression |
---|---|
pwsmnd.y | ⊢ 𝑌 = (𝑅 ↑s 𝐼) |
pws0g.z | ⊢ 0 = (0g‘𝑅) |
Ref | Expression |
---|---|
pws0g | ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (𝐼 × { 0 }) = (0g‘𝑌)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2797 | . . 3 ⊢ ((Scalar‘𝑅)Xs(𝐼 × {𝑅})) = ((Scalar‘𝑅)Xs(𝐼 × {𝑅})) | |
2 | simpr 478 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → 𝐼 ∈ 𝑉) | |
3 | fvexd 6424 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (Scalar‘𝑅) ∈ V) | |
4 | fconst6g 6307 | . . . 4 ⊢ (𝑅 ∈ Mnd → (𝐼 × {𝑅}):𝐼⟶Mnd) | |
5 | 4 | adantr 473 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (𝐼 × {𝑅}):𝐼⟶Mnd) |
6 | 1, 2, 3, 5 | prds0g 17636 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (0g ∘ (𝐼 × {𝑅})) = (0g‘((Scalar‘𝑅)Xs(𝐼 × {𝑅})))) |
7 | elex 3398 | . . . . 5 ⊢ (𝑅 ∈ Mnd → 𝑅 ∈ V) | |
8 | 7 | ad2antrr 718 | . . . 4 ⊢ (((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) ∧ 𝑥 ∈ 𝐼) → 𝑅 ∈ V) |
9 | fconstmpt 5366 | . . . . 5 ⊢ (𝐼 × {𝑅}) = (𝑥 ∈ 𝐼 ↦ 𝑅) | |
10 | 9 | a1i 11 | . . . 4 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (𝐼 × {𝑅}) = (𝑥 ∈ 𝐼 ↦ 𝑅)) |
11 | fn0g 17574 | . . . . . 6 ⊢ 0g Fn V | |
12 | 11 | a1i 11 | . . . . 5 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → 0g Fn V) |
13 | dffn5 6464 | . . . . 5 ⊢ (0g Fn V ↔ 0g = (𝑟 ∈ V ↦ (0g‘𝑟))) | |
14 | 12, 13 | sylib 210 | . . . 4 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → 0g = (𝑟 ∈ V ↦ (0g‘𝑟))) |
15 | fveq2 6409 | . . . . 5 ⊢ (𝑟 = 𝑅 → (0g‘𝑟) = (0g‘𝑅)) | |
16 | pws0g.z | . . . . 5 ⊢ 0 = (0g‘𝑅) | |
17 | 15, 16 | syl6eqr 2849 | . . . 4 ⊢ (𝑟 = 𝑅 → (0g‘𝑟) = 0 ) |
18 | 8, 10, 14, 17 | fmptco 6621 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (0g ∘ (𝐼 × {𝑅})) = (𝑥 ∈ 𝐼 ↦ 0 )) |
19 | fconstmpt 5366 | . . 3 ⊢ (𝐼 × { 0 }) = (𝑥 ∈ 𝐼 ↦ 0 ) | |
20 | 18, 19 | syl6reqr 2850 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (𝐼 × { 0 }) = (0g ∘ (𝐼 × {𝑅}))) |
21 | pwsmnd.y | . . . 4 ⊢ 𝑌 = (𝑅 ↑s 𝐼) | |
22 | eqid 2797 | . . . 4 ⊢ (Scalar‘𝑅) = (Scalar‘𝑅) | |
23 | 21, 22 | pwsval 16458 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → 𝑌 = ((Scalar‘𝑅)Xs(𝐼 × {𝑅}))) |
24 | 23 | fveq2d 6413 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (0g‘𝑌) = (0g‘((Scalar‘𝑅)Xs(𝐼 × {𝑅})))) |
25 | 6, 20, 24 | 3eqtr4d 2841 | 1 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (𝐼 × { 0 }) = (0g‘𝑌)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 385 = wceq 1653 ∈ wcel 2157 Vcvv 3383 {csn 4366 ↦ cmpt 4920 × cxp 5308 ∘ ccom 5314 Fn wfn 6094 ⟶wf 6095 ‘cfv 6099 (class class class)co 6876 Scalarcsca 16267 0gc0g 16412 Xscprds 16418 ↑s cpws 16419 Mndcmnd 17606 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1891 ax-4 1905 ax-5 2006 ax-6 2072 ax-7 2107 ax-8 2159 ax-9 2166 ax-10 2185 ax-11 2200 ax-12 2213 ax-13 2354 ax-ext 2775 ax-rep 4962 ax-sep 4973 ax-nul 4981 ax-pow 5033 ax-pr 5095 ax-un 7181 ax-cnex 10278 ax-resscn 10279 ax-1cn 10280 ax-icn 10281 ax-addcl 10282 ax-addrcl 10283 ax-mulcl 10284 ax-mulrcl 10285 ax-mulcom 10286 ax-addass 10287 ax-mulass 10288 ax-distr 10289 ax-i2m1 10290 ax-1ne0 10291 ax-1rid 10292 ax-rnegex 10293 ax-rrecex 10294 ax-cnre 10295 ax-pre-lttri 10296 ax-pre-lttrn 10297 ax-pre-ltadd 10298 ax-pre-mulgt0 10299 |
This theorem depends on definitions: df-bi 199 df-an 386 df-or 875 df-3or 1109 df-3an 1110 df-tru 1657 df-ex 1876 df-nf 1880 df-sb 2065 df-mo 2590 df-eu 2607 df-clab 2784 df-cleq 2790 df-clel 2793 df-nfc 2928 df-ne 2970 df-nel 3073 df-ral 3092 df-rex 3093 df-reu 3094 df-rmo 3095 df-rab 3096 df-v 3385 df-sbc 3632 df-csb 3727 df-dif 3770 df-un 3772 df-in 3774 df-ss 3781 df-pss 3783 df-nul 4114 df-if 4276 df-pw 4349 df-sn 4367 df-pr 4369 df-tp 4371 df-op 4373 df-uni 4627 df-int 4666 df-iun 4710 df-br 4842 df-opab 4904 df-mpt 4921 df-tr 4944 df-id 5218 df-eprel 5223 df-po 5231 df-so 5232 df-fr 5269 df-we 5271 df-xp 5316 df-rel 5317 df-cnv 5318 df-co 5319 df-dm 5320 df-rn 5321 df-res 5322 df-ima 5323 df-pred 5896 df-ord 5942 df-on 5943 df-lim 5944 df-suc 5945 df-iota 6062 df-fun 6101 df-fn 6102 df-f 6103 df-f1 6104 df-fo 6105 df-f1o 6106 df-fv 6107 df-riota 6837 df-ov 6879 df-oprab 6880 df-mpt2 6881 df-om 7298 df-1st 7399 df-2nd 7400 df-wrecs 7643 df-recs 7705 df-rdg 7743 df-1o 7797 df-oadd 7801 df-er 7980 df-map 8095 df-ixp 8147 df-en 8194 df-dom 8195 df-sdom 8196 df-fin 8197 df-sup 8588 df-pnf 10363 df-mnf 10364 df-xr 10365 df-ltxr 10366 df-le 10367 df-sub 10556 df-neg 10557 df-nn 11311 df-2 11372 df-3 11373 df-4 11374 df-5 11375 df-6 11376 df-7 11377 df-8 11378 df-9 11379 df-n0 11577 df-z 11663 df-dec 11780 df-uz 11927 df-fz 12577 df-struct 16183 df-ndx 16184 df-slot 16185 df-base 16187 df-plusg 16277 df-mulr 16278 df-sca 16280 df-vsca 16281 df-ip 16282 df-tset 16283 df-ple 16284 df-ds 16286 df-hom 16288 df-cco 16289 df-0g 16414 df-prds 16420 df-pws 16422 df-mgm 17554 df-sgrp 17596 df-mnd 17607 |
This theorem is referenced by: pwsdiagmhm 17681 pwsco1mhm 17682 pwsco2mhm 17683 frlm0 20420 plypf1 24306 pwssplit4 38432 pwslnmlem2 38436 |
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