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Mirrors > Home > MPE Home > Th. List > pws0g | Structured version Visualization version GIF version |
Description: Zero in a structure power of a monoid. (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 2758 | . . 3 ⊢ ((Scalar‘𝑅)Xs(𝐼 × {𝑅})) = ((Scalar‘𝑅)Xs(𝐼 × {𝑅})) | |
2 | simpr 488 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → 𝐼 ∈ 𝑉) | |
3 | fvexd 6673 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (Scalar‘𝑅) ∈ V) | |
4 | fconst6g 6553 | . . . 4 ⊢ (𝑅 ∈ Mnd → (𝐼 × {𝑅}):𝐼⟶Mnd) | |
5 | 4 | adantr 484 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (𝐼 × {𝑅}):𝐼⟶Mnd) |
6 | 1, 2, 3, 5 | prds0g 18011 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (0g ∘ (𝐼 × {𝑅})) = (0g‘((Scalar‘𝑅)Xs(𝐼 × {𝑅})))) |
7 | fconstmpt 5583 | . . 3 ⊢ (𝐼 × { 0 }) = (𝑥 ∈ 𝐼 ↦ 0 ) | |
8 | elex 3428 | . . . . 5 ⊢ (𝑅 ∈ Mnd → 𝑅 ∈ V) | |
9 | 8 | ad2antrr 725 | . . . 4 ⊢ (((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) ∧ 𝑥 ∈ 𝐼) → 𝑅 ∈ V) |
10 | fconstmpt 5583 | . . . . 5 ⊢ (𝐼 × {𝑅}) = (𝑥 ∈ 𝐼 ↦ 𝑅) | |
11 | 10 | a1i 11 | . . . 4 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (𝐼 × {𝑅}) = (𝑥 ∈ 𝐼 ↦ 𝑅)) |
12 | fn0g 17939 | . . . . . 6 ⊢ 0g Fn V | |
13 | 12 | a1i 11 | . . . . 5 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → 0g Fn V) |
14 | dffn5 6712 | . . . . 5 ⊢ (0g Fn V ↔ 0g = (𝑟 ∈ V ↦ (0g‘𝑟))) | |
15 | 13, 14 | sylib 221 | . . . 4 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → 0g = (𝑟 ∈ V ↦ (0g‘𝑟))) |
16 | fveq2 6658 | . . . . 5 ⊢ (𝑟 = 𝑅 → (0g‘𝑟) = (0g‘𝑅)) | |
17 | pws0g.z | . . . . 5 ⊢ 0 = (0g‘𝑅) | |
18 | 16, 17 | eqtr4di 2811 | . . . 4 ⊢ (𝑟 = 𝑅 → (0g‘𝑟) = 0 ) |
19 | 9, 11, 15, 18 | fmptco 6882 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (0g ∘ (𝐼 × {𝑅})) = (𝑥 ∈ 𝐼 ↦ 0 )) |
20 | 7, 19 | eqtr4id 2812 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (𝐼 × { 0 }) = (0g ∘ (𝐼 × {𝑅}))) |
21 | pwsmnd.y | . . . 4 ⊢ 𝑌 = (𝑅 ↑s 𝐼) | |
22 | eqid 2758 | . . . 4 ⊢ (Scalar‘𝑅) = (Scalar‘𝑅) | |
23 | 21, 22 | pwsval 16817 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → 𝑌 = ((Scalar‘𝑅)Xs(𝐼 × {𝑅}))) |
24 | 23 | fveq2d 6662 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (0g‘𝑌) = (0g‘((Scalar‘𝑅)Xs(𝐼 × {𝑅})))) |
25 | 6, 20, 24 | 3eqtr4d 2803 | 1 ⊢ ((𝑅 ∈ Mnd ∧ 𝐼 ∈ 𝑉) → (𝐼 × { 0 }) = (0g‘𝑌)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 Vcvv 3409 {csn 4522 ↦ cmpt 5112 × cxp 5522 ∘ ccom 5528 Fn wfn 6330 ⟶wf 6331 ‘cfv 6335 (class class class)co 7150 Scalarcsca 16626 0gc0g 16771 Xscprds 16777 ↑s cpws 16778 Mndcmnd 17977 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2729 ax-rep 5156 ax-sep 5169 ax-nul 5176 ax-pow 5234 ax-pr 5298 ax-un 7459 ax-cnex 10631 ax-resscn 10632 ax-1cn 10633 ax-icn 10634 ax-addcl 10635 ax-addrcl 10636 ax-mulcl 10637 ax-mulrcl 10638 ax-mulcom 10639 ax-addass 10640 ax-mulass 10641 ax-distr 10642 ax-i2m1 10643 ax-1ne0 10644 ax-1rid 10645 ax-rnegex 10646 ax-rrecex 10647 ax-cnre 10648 ax-pre-lttri 10649 ax-pre-lttrn 10650 ax-pre-ltadd 10651 ax-pre-mulgt0 10652 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2557 df-eu 2588 df-clab 2736 df-cleq 2750 df-clel 2830 df-nfc 2901 df-ne 2952 df-nel 3056 df-ral 3075 df-rex 3076 df-reu 3077 df-rmo 3078 df-rab 3079 df-v 3411 df-sbc 3697 df-csb 3806 df-dif 3861 df-un 3863 df-in 3865 df-ss 3875 df-pss 3877 df-nul 4226 df-if 4421 df-pw 4496 df-sn 4523 df-pr 4525 df-tp 4527 df-op 4529 df-uni 4799 df-iun 4885 df-br 5033 df-opab 5095 df-mpt 5113 df-tr 5139 df-id 5430 df-eprel 5435 df-po 5443 df-so 5444 df-fr 5483 df-we 5485 df-xp 5530 df-rel 5531 df-cnv 5532 df-co 5533 df-dm 5534 df-rn 5535 df-res 5536 df-ima 5537 df-pred 6126 df-ord 6172 df-on 6173 df-lim 6174 df-suc 6175 df-iota 6294 df-fun 6337 df-fn 6338 df-f 6339 df-f1 6340 df-fo 6341 df-f1o 6342 df-fv 6343 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7580 df-1st 7693 df-2nd 7694 df-wrecs 7957 df-recs 8018 df-rdg 8056 df-1o 8112 df-er 8299 df-map 8418 df-ixp 8480 df-en 8528 df-dom 8529 df-sdom 8530 df-fin 8531 df-sup 8939 df-pnf 10715 df-mnf 10716 df-xr 10717 df-ltxr 10718 df-le 10719 df-sub 10910 df-neg 10911 df-nn 11675 df-2 11737 df-3 11738 df-4 11739 df-5 11740 df-6 11741 df-7 11742 df-8 11743 df-9 11744 df-n0 11935 df-z 12021 df-dec 12138 df-uz 12283 df-fz 12940 df-struct 16543 df-ndx 16544 df-slot 16545 df-base 16547 df-plusg 16636 df-mulr 16637 df-sca 16639 df-vsca 16640 df-ip 16641 df-tset 16642 df-ple 16643 df-ds 16645 df-hom 16647 df-cco 16648 df-0g 16773 df-prds 16779 df-pws 16781 df-mgm 17918 df-sgrp 17967 df-mnd 17978 |
This theorem is referenced by: pwsdiagmhm 18061 pwsco1mhm 18062 pwsco2mhm 18063 frlm0 20519 plypf1 24908 evlsbagval 39780 pwssplit4 40406 pwslnmlem2 40410 |
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