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| Mirrors > Home > MPE Home > Th. List > frgpupval | Structured version Visualization version GIF version | ||
| Description: Any assignment of the generators to target elements can be extended (uniquely) to a homomorphism from a free monoid to an arbitrary other monoid. (Contributed by Mario Carneiro, 2-Oct-2015.) |
| Ref | Expression |
|---|---|
| frgpup.b | ⊢ 𝐵 = (Base‘𝐻) |
| frgpup.n | ⊢ 𝑁 = (invg‘𝐻) |
| frgpup.t | ⊢ 𝑇 = (𝑦 ∈ 𝐼, 𝑧 ∈ 2o ↦ if(𝑧 = ∅, (𝐹‘𝑦), (𝑁‘(𝐹‘𝑦)))) |
| frgpup.h | ⊢ (𝜑 → 𝐻 ∈ Grp) |
| frgpup.i | ⊢ (𝜑 → 𝐼 ∈ 𝑉) |
| frgpup.a | ⊢ (𝜑 → 𝐹:𝐼⟶𝐵) |
| frgpup.w | ⊢ 𝑊 = ( I ‘Word (𝐼 × 2o)) |
| frgpup.r | ⊢ ∼ = ( ~FG ‘𝐼) |
| frgpup.g | ⊢ 𝐺 = (freeGrp‘𝐼) |
| frgpup.x | ⊢ 𝑋 = (Base‘𝐺) |
| frgpup.e | ⊢ 𝐸 = ran (𝑔 ∈ 𝑊 ↦ 〈[𝑔] ∼ , (𝐻 Σg (𝑇 ∘ 𝑔))〉) |
| Ref | Expression |
|---|---|
| frgpupval | ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑊) → (𝐸‘[𝐴] ∼ ) = (𝐻 Σg (𝑇 ∘ 𝐴))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | frgpup.e | . 2 ⊢ 𝐸 = ran (𝑔 ∈ 𝑊 ↦ 〈[𝑔] ∼ , (𝐻 Σg (𝑇 ∘ 𝑔))〉) | |
| 2 | ovexd 7433 | . 2 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑊) → (𝐻 Σg (𝑇 ∘ 𝑔)) ∈ V) | |
| 3 | frgpup.w | . . . 4 ⊢ 𝑊 = ( I ‘Word (𝐼 × 2o)) | |
| 4 | frgpup.r | . . . 4 ⊢ ∼ = ( ~FG ‘𝐼) | |
| 5 | 3, 4 | efger 19760 | . . 3 ⊢ ∼ Er 𝑊 |
| 6 | 5 | a1i 11 | . 2 ⊢ (𝜑 → ∼ Er 𝑊) |
| 7 | 3 | fvexi 6883 | . . 3 ⊢ 𝑊 ∈ V |
| 8 | 7 | a1i 11 | . 2 ⊢ (𝜑 → 𝑊 ∈ V) |
| 9 | coeq2 5832 | . . 3 ⊢ (𝑔 = 𝐴 → (𝑇 ∘ 𝑔) = (𝑇 ∘ 𝐴)) | |
| 10 | 9 | oveq2d 7414 | . 2 ⊢ (𝑔 = 𝐴 → (𝐻 Σg (𝑇 ∘ 𝑔)) = (𝐻 Σg (𝑇 ∘ 𝐴))) |
| 11 | frgpup.b | . . . 4 ⊢ 𝐵 = (Base‘𝐻) | |
| 12 | frgpup.n | . . . 4 ⊢ 𝑁 = (invg‘𝐻) | |
| 13 | frgpup.t | . . . 4 ⊢ 𝑇 = (𝑦 ∈ 𝐼, 𝑧 ∈ 2o ↦ if(𝑧 = ∅, (𝐹‘𝑦), (𝑁‘(𝐹‘𝑦)))) | |
| 14 | frgpup.h | . . . 4 ⊢ (𝜑 → 𝐻 ∈ Grp) | |
| 15 | frgpup.i | . . . 4 ⊢ (𝜑 → 𝐼 ∈ 𝑉) | |
| 16 | frgpup.a | . . . 4 ⊢ (𝜑 → 𝐹:𝐼⟶𝐵) | |
| 17 | frgpup.g | . . . 4 ⊢ 𝐺 = (freeGrp‘𝐼) | |
| 18 | frgpup.x | . . . 4 ⊢ 𝑋 = (Base‘𝐺) | |
| 19 | 11, 12, 13, 14, 15, 16, 3, 4, 17, 18, 1 | frgpupf 19815 | . . 3 ⊢ (𝜑 → 𝐸:𝑋⟶𝐵) |
| 20 | 19 | ffund 6698 | . 2 ⊢ (𝜑 → Fun 𝐸) |
| 21 | 1, 2, 6, 8, 10, 20 | qliftval 8790 | 1 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑊) → (𝐸‘[𝐴] ∼ ) = (𝐻 Σg (𝑇 ∘ 𝐴))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 = wceq 1562 ∈ wcel 2144 Vcvv 3456 ∅c0 4287 ifcif 4482 〈cop 4590 ↦ cmpt 5183 I cid 5543 × cxp 5647 ran crn 5650 ∘ ccom 5653 ⟶wf 6519 ‘cfv 6523 (class class class)co 7398 ∈ cmpo 7400 2oc2o 8433 Er wer 8677 [cec 8678 Word cword 14528 Basecbs 17247 Σg cgsu 17471 Grpcgrp 18977 invgcminusg 18978 ~FG cefg 19748 freeGrpcfrgp 19749 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2214 ax-ext 2736 ax-rep 5229 ax-sep 5248 ax-nul 5258 ax-pow 5324 ax-pr 5392 ax-un 7720 ax-cnex 11131 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-addrcl 11136 ax-mulcl 11137 ax-mulrcl 11138 ax-mulcom 11139 ax-addass 11140 ax-mulass 11141 ax-distr 11142 ax-i2m1 11143 ax-1ne0 11144 ax-1rid 11145 ax-rnegex 11146 ax-rrecex 11147 ax-cnre 11148 ax-pre-lttri 11149 ax-pre-lttrn 11150 ax-pre-ltadd 11151 ax-pre-mulgt0 11152 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-nf 1806 df-sb 2093 df-mo 2568 df-eu 2598 df-clab 2743 df-cleq 2756 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3458 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-ot 4593 df-uni 4868 df-int 4908 df-iun 4953 df-iin 4954 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5544 df-eprel 5549 df-po 5557 df-so 5558 df-fr 5602 df-we 5604 df-xp 5655 df-rel 5656 df-cnv 5657 df-co 5658 df-dm 5659 df-rn 5660 df-res 5661 df-ima 5662 df-pred 6290 df-ord 6351 df-on 6352 df-lim 6353 df-suc 6354 df-iota 6479 df-fun 6525 df-fn 6526 df-f 6527 df-f1 6528 df-fo 6529 df-f1o 6530 df-fv 6531 df-riota 7355 df-ov 7401 df-oprab 7402 df-mpo 7403 df-om 7849 df-1st 7972 df-2nd 7973 df-frecs 8264 df-wrecs 8295 df-recs 8344 df-rdg 8383 df-1o 8439 df-2o 8440 df-er 8680 df-ec 8682 df-qs 8686 df-map 8812 df-en 8930 df-dom 8931 df-sdom 8932 df-fin 8933 df-sup 9390 df-inf 9391 df-card 9899 df-pnf 11220 df-mnf 11221 df-xr 11222 df-ltxr 11223 df-le 11224 df-sub 11418 df-neg 11419 df-nn 12213 df-2 12282 df-3 12283 df-4 12284 df-5 12285 df-6 12286 df-7 12287 df-8 12288 df-9 12289 df-n0 12484 df-z 12571 df-dec 12691 df-uz 12842 df-fz 13515 df-fzo 13662 df-seq 14017 df-hash 14346 df-word 14529 df-concat 14586 df-s1 14612 df-substr 14657 df-pfx 14687 df-splice 14765 df-s2 14863 df-struct 17185 df-sets 17202 df-slot 17220 df-ndx 17232 df-base 17248 df-ress 17269 df-plusg 17301 df-mulr 17302 df-sca 17304 df-vsca 17305 df-ip 17306 df-tset 17307 df-ple 17308 df-ds 17310 df-0g 17472 df-gsum 17473 df-imas 17540 df-qus 17541 df-mgm 18676 df-sgrp 18755 df-mnd 18771 df-submnd 18820 df-frmd 18885 df-grp 18980 df-minusg 18981 df-efg 19751 df-frgp 19752 |
| This theorem is referenced by: frgpup1 19817 frgpup2 19818 frgpup3lem 19819 |
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