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Mirrors > Home > MPE Home > Th. List > prds0g | Structured version Visualization version GIF version |
Description: Zero in a product of monoids. (Contributed by Stefan O'Rear, 10-Jan-2015.) |
Ref | Expression |
---|---|
prdsmndd.y | ⊢ 𝑌 = (𝑆Xs𝑅) |
prdsmndd.i | ⊢ (𝜑 → 𝐼 ∈ 𝑊) |
prdsmndd.s | ⊢ (𝜑 → 𝑆 ∈ 𝑉) |
prdsmndd.r | ⊢ (𝜑 → 𝑅:𝐼⟶Mnd) |
Ref | Expression |
---|---|
prds0g | ⊢ (𝜑 → (0g ∘ 𝑅) = (0g‘𝑌)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | prdsmndd.y | . . . 4 ⊢ 𝑌 = (𝑆Xs𝑅) | |
2 | eqid 2824 | . . . 4 ⊢ (Base‘𝑌) = (Base‘𝑌) | |
3 | eqid 2824 | . . . 4 ⊢ (+g‘𝑌) = (+g‘𝑌) | |
4 | prdsmndd.s | . . . . 5 ⊢ (𝜑 → 𝑆 ∈ 𝑉) | |
5 | 4 | elexd 3517 | . . . 4 ⊢ (𝜑 → 𝑆 ∈ V) |
6 | prdsmndd.i | . . . . 5 ⊢ (𝜑 → 𝐼 ∈ 𝑊) | |
7 | 6 | elexd 3517 | . . . 4 ⊢ (𝜑 → 𝐼 ∈ V) |
8 | prdsmndd.r | . . . 4 ⊢ (𝜑 → 𝑅:𝐼⟶Mnd) | |
9 | eqid 2824 | . . . 4 ⊢ (0g ∘ 𝑅) = (0g ∘ 𝑅) | |
10 | 1, 2, 3, 5, 7, 8, 9 | prdsidlem 17946 | . . 3 ⊢ (𝜑 → ((0g ∘ 𝑅) ∈ (Base‘𝑌) ∧ ∀𝑏 ∈ (Base‘𝑌)(((0g ∘ 𝑅)(+g‘𝑌)𝑏) = 𝑏 ∧ (𝑏(+g‘𝑌)(0g ∘ 𝑅)) = 𝑏))) |
11 | eqid 2824 | . . . 4 ⊢ (0g‘𝑌) = (0g‘𝑌) | |
12 | 1, 6, 4, 8 | prdsmndd 17947 | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ Mnd) |
13 | 2, 3 | mndid 17924 | . . . . 5 ⊢ (𝑌 ∈ Mnd → ∃𝑎 ∈ (Base‘𝑌)∀𝑏 ∈ (Base‘𝑌)((𝑎(+g‘𝑌)𝑏) = 𝑏 ∧ (𝑏(+g‘𝑌)𝑎) = 𝑏)) |
14 | 12, 13 | syl 17 | . . . 4 ⊢ (𝜑 → ∃𝑎 ∈ (Base‘𝑌)∀𝑏 ∈ (Base‘𝑌)((𝑎(+g‘𝑌)𝑏) = 𝑏 ∧ (𝑏(+g‘𝑌)𝑎) = 𝑏)) |
15 | 2, 11, 3, 14 | ismgmid 17878 | . . 3 ⊢ (𝜑 → (((0g ∘ 𝑅) ∈ (Base‘𝑌) ∧ ∀𝑏 ∈ (Base‘𝑌)(((0g ∘ 𝑅)(+g‘𝑌)𝑏) = 𝑏 ∧ (𝑏(+g‘𝑌)(0g ∘ 𝑅)) = 𝑏)) ↔ (0g‘𝑌) = (0g ∘ 𝑅))) |
16 | 10, 15 | mpbid 234 | . 2 ⊢ (𝜑 → (0g‘𝑌) = (0g ∘ 𝑅)) |
17 | 16 | eqcomd 2830 | 1 ⊢ (𝜑 → (0g ∘ 𝑅) = (0g‘𝑌)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1536 ∈ wcel 2113 ∀wral 3141 ∃wrex 3142 Vcvv 3497 ∘ ccom 5562 ⟶wf 6354 ‘cfv 6358 (class class class)co 7159 Basecbs 16486 +gcplusg 16568 0gc0g 16716 Xscprds 16722 Mndcmnd 17914 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-rep 5193 ax-sep 5206 ax-nul 5213 ax-pow 5269 ax-pr 5333 ax-un 7464 ax-cnex 10596 ax-resscn 10597 ax-1cn 10598 ax-icn 10599 ax-addcl 10600 ax-addrcl 10601 ax-mulcl 10602 ax-mulrcl 10603 ax-mulcom 10604 ax-addass 10605 ax-mulass 10606 ax-distr 10607 ax-i2m1 10608 ax-1ne0 10609 ax-1rid 10610 ax-rnegex 10611 ax-rrecex 10612 ax-cnre 10613 ax-pre-lttri 10614 ax-pre-lttrn 10615 ax-pre-ltadd 10616 ax-pre-mulgt0 10617 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ne 3020 df-nel 3127 df-ral 3146 df-rex 3147 df-reu 3148 df-rmo 3149 df-rab 3150 df-v 3499 df-sbc 3776 df-csb 3887 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-pss 3957 df-nul 4295 df-if 4471 df-pw 4544 df-sn 4571 df-pr 4573 df-tp 4575 df-op 4577 df-uni 4842 df-int 4880 df-iun 4924 df-br 5070 df-opab 5132 df-mpt 5150 df-tr 5176 df-id 5463 df-eprel 5468 df-po 5477 df-so 5478 df-fr 5517 df-we 5519 df-xp 5564 df-rel 5565 df-cnv 5566 df-co 5567 df-dm 5568 df-rn 5569 df-res 5570 df-ima 5571 df-pred 6151 df-ord 6197 df-on 6198 df-lim 6199 df-suc 6200 df-iota 6317 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-riota 7117 df-ov 7162 df-oprab 7163 df-mpo 7164 df-om 7584 df-1st 7692 df-2nd 7693 df-wrecs 7950 df-recs 8011 df-rdg 8049 df-1o 8105 df-oadd 8109 df-er 8292 df-map 8411 df-ixp 8465 df-en 8513 df-dom 8514 df-sdom 8515 df-fin 8516 df-sup 8909 df-pnf 10680 df-mnf 10681 df-xr 10682 df-ltxr 10683 df-le 10684 df-sub 10875 df-neg 10876 df-nn 11642 df-2 11703 df-3 11704 df-4 11705 df-5 11706 df-6 11707 df-7 11708 df-8 11709 df-9 11710 df-n0 11901 df-z 11985 df-dec 12102 df-uz 12247 df-fz 12896 df-struct 16488 df-ndx 16489 df-slot 16490 df-base 16492 df-plusg 16581 df-mulr 16582 df-sca 16584 df-vsca 16585 df-ip 16586 df-tset 16587 df-ple 16588 df-ds 16590 df-hom 16592 df-cco 16593 df-0g 16718 df-prds 16724 df-mgm 17855 df-sgrp 17904 df-mnd 17915 |
This theorem is referenced by: pws0g 17950 prdspjmhm 17996 prdsgrpd 18212 prdsinvgd 18213 prds1 19367 dsmm0cl 20887 |
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