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Mirrors > Home > MPE Home > Th. List > psr0 | Structured version Visualization version GIF version |
Description: The zero element of the ring of power series. (Contributed by Mario Carneiro, 29-Dec-2014.) |
Ref | Expression |
---|---|
psrgrp.s | ⊢ 𝑆 = (𝐼 mPwSer 𝑅) |
psrgrp.i | ⊢ (𝜑 → 𝐼 ∈ 𝑉) |
psrgrp.r | ⊢ (𝜑 → 𝑅 ∈ Grp) |
psr0.d | ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} |
psr0.o | ⊢ 𝑂 = (0g‘𝑅) |
psr0.z | ⊢ 0 = (0g‘𝑆) |
Ref | Expression |
---|---|
psr0 | ⊢ (𝜑 → 0 = (𝐷 × {𝑂})) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | psrgrp.s | . . 3 ⊢ 𝑆 = (𝐼 mPwSer 𝑅) | |
2 | psrgrp.i | . . 3 ⊢ (𝜑 → 𝐼 ∈ 𝑉) | |
3 | psrgrp.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ Grp) | |
4 | psr0.d | . . 3 ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} | |
5 | psr0.o | . . 3 ⊢ 𝑂 = (0g‘𝑅) | |
6 | eqid 2821 | . . 3 ⊢ (Base‘𝑆) = (Base‘𝑆) | |
7 | eqid 2821 | . . 3 ⊢ (+g‘𝑆) = (+g‘𝑆) | |
8 | 1, 2, 3, 4, 5, 6 | psr0cl 20168 | . . 3 ⊢ (𝜑 → (𝐷 × {𝑂}) ∈ (Base‘𝑆)) |
9 | 1, 2, 3, 4, 5, 6, 7, 8 | psr0lid 20169 | . 2 ⊢ (𝜑 → ((𝐷 × {𝑂})(+g‘𝑆)(𝐷 × {𝑂})) = (𝐷 × {𝑂})) |
10 | 1, 2, 3 | psrgrp 20172 | . . 3 ⊢ (𝜑 → 𝑆 ∈ Grp) |
11 | psr0.z | . . . 4 ⊢ 0 = (0g‘𝑆) | |
12 | 6, 7, 11 | grpid 18133 | . . 3 ⊢ ((𝑆 ∈ Grp ∧ (𝐷 × {𝑂}) ∈ (Base‘𝑆)) → (((𝐷 × {𝑂})(+g‘𝑆)(𝐷 × {𝑂})) = (𝐷 × {𝑂}) ↔ 0 = (𝐷 × {𝑂}))) |
13 | 10, 8, 12 | syl2anc 586 | . 2 ⊢ (𝜑 → (((𝐷 × {𝑂})(+g‘𝑆)(𝐷 × {𝑂})) = (𝐷 × {𝑂}) ↔ 0 = (𝐷 × {𝑂}))) |
14 | 9, 13 | mpbid 234 | 1 ⊢ (𝜑 → 0 = (𝐷 × {𝑂})) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 = wceq 1533 ∈ wcel 2110 {crab 3142 {csn 4561 × cxp 5548 ◡ccnv 5549 “ cima 5553 ‘cfv 6350 (class class class)co 7150 ↑m cmap 8400 Fincfn 8503 ℕcn 11632 ℕ0cn0 11891 Basecbs 16477 +gcplusg 16559 0gc0g 16707 Grpcgrp 18097 mPwSer cmps 20125 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-rep 5183 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3497 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4833 df-int 4870 df-iun 4914 df-br 5060 df-opab 5122 df-mpt 5140 df-tr 5166 df-id 5455 df-eprel 5460 df-po 5469 df-so 5470 df-fr 5509 df-we 5511 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-res 5562 df-ima 5563 df-pred 6143 df-ord 6189 df-on 6190 df-lim 6191 df-suc 6192 df-iota 6309 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-of 7403 df-om 7575 df-1st 7683 df-2nd 7684 df-supp 7825 df-wrecs 7941 df-recs 8002 df-rdg 8040 df-1o 8096 df-oadd 8100 df-er 8283 df-map 8402 df-en 8504 df-dom 8505 df-sdom 8506 df-fin 8507 df-fsupp 8828 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-nn 11633 df-2 11694 df-3 11695 df-4 11696 df-5 11697 df-6 11698 df-7 11699 df-8 11700 df-9 11701 df-n0 11892 df-z 11976 df-uz 12238 df-fz 12887 df-struct 16479 df-ndx 16480 df-slot 16481 df-base 16483 df-plusg 16572 df-mulr 16573 df-sca 16575 df-vsca 16576 df-tset 16578 df-0g 16709 df-mgm 17846 df-sgrp 17895 df-mnd 17906 df-grp 18100 df-minusg 18101 df-psr 20130 |
This theorem is referenced by: psrneg 20174 mpl0 20215 |
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