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| Mirrors > Home > MPE Home > Th. List > frmdval | Structured version Visualization version GIF version | ||
| Description: Value of the free monoid construction. (Contributed by Mario Carneiro, 27-Sep-2015.) |
| Ref | Expression |
|---|---|
| frmdval.m | ⊢ 𝑀 = (freeMnd‘𝐼) |
| frmdval.b | ⊢ (𝐼 ∈ 𝑉 → 𝐵 = Word 𝐼) |
| frmdval.p | ⊢ + = ( ++ ↾ (𝐵 × 𝐵)) |
| Ref | Expression |
|---|---|
| frmdval | ⊢ (𝐼 ∈ 𝑉 → 𝑀 = {〈(Base‘ndx), 𝐵〉, 〈(+g‘ndx), + 〉}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | frmdval.m | . 2 ⊢ 𝑀 = (freeMnd‘𝐼) | |
| 2 | df-frmd 18945 | . . 3 ⊢ freeMnd = (𝑖 ∈ V ↦ {〈(Base‘ndx), Word 𝑖〉, 〈(+g‘ndx), ( ++ ↾ (Word 𝑖 × Word 𝑖))〉}) | |
| 3 | wrdeq 14591 | . . . . . 6 ⊢ (𝑖 = 𝐼 → Word 𝑖 = Word 𝐼) | |
| 4 | frmdval.b | . . . . . . 7 ⊢ (𝐼 ∈ 𝑉 → 𝐵 = Word 𝐼) | |
| 5 | 4 | eqcomd 2771 | . . . . . 6 ⊢ (𝐼 ∈ 𝑉 → Word 𝐼 = 𝐵) |
| 6 | 3, 5 | sylan9eqr 2822 | . . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑖 = 𝐼) → Word 𝑖 = 𝐵) |
| 7 | 6 | opeq2d 4847 | . . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑖 = 𝐼) → 〈(Base‘ndx), Word 𝑖〉 = 〈(Base‘ndx), 𝐵〉) |
| 8 | 6 | sqxpeqd 5695 | . . . . . . 7 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑖 = 𝐼) → (Word 𝑖 × Word 𝑖) = (𝐵 × 𝐵)) |
| 9 | 8 | reseq2d 5980 | . . . . . 6 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑖 = 𝐼) → ( ++ ↾ (Word 𝑖 × Word 𝑖)) = ( ++ ↾ (𝐵 × 𝐵))) |
| 10 | frmdval.p | . . . . . 6 ⊢ + = ( ++ ↾ (𝐵 × 𝐵)) | |
| 11 | 9, 10 | eqtr4di 2818 | . . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑖 = 𝐼) → ( ++ ↾ (Word 𝑖 × Word 𝑖)) = + ) |
| 12 | 11 | opeq2d 4847 | . . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑖 = 𝐼) → 〈(+g‘ndx), ( ++ ↾ (Word 𝑖 × Word 𝑖))〉 = 〈(+g‘ndx), + 〉) |
| 13 | 7, 12 | preq12d 4709 | . . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑖 = 𝐼) → {〈(Base‘ndx), Word 𝑖〉, 〈(+g‘ndx), ( ++ ↾ (Word 𝑖 × Word 𝑖))〉} = {〈(Base‘ndx), 𝐵〉, 〈(+g‘ndx), + 〉}) |
| 14 | elex 3478 | . . 3 ⊢ (𝐼 ∈ 𝑉 → 𝐼 ∈ V) | |
| 15 | prex 5411 | . . . 4 ⊢ {〈(Base‘ndx), 𝐵〉, 〈(+g‘ndx), + 〉} ∈ V | |
| 16 | 15 | a1i 11 | . . 3 ⊢ (𝐼 ∈ 𝑉 → {〈(Base‘ndx), 𝐵〉, 〈(+g‘ndx), + 〉} ∈ V) |
| 17 | 2, 13, 14, 16 | fvmptd2 7002 | . 2 ⊢ (𝐼 ∈ 𝑉 → (freeMnd‘𝐼) = {〈(Base‘ndx), 𝐵〉, 〈(+g‘ndx), + 〉}) |
| 18 | 1, 17 | eqtrid 2812 | 1 ⊢ (𝐼 ∈ 𝑉 → 𝑀 = {〈(Base‘ndx), 𝐵〉, 〈(+g‘ndx), + 〉}) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2146 Vcvv 3457 {cpr 4593 〈cop 4597 × cxp 5661 ↾ cres 5665 ‘cfv 6540 Word cword 14568 ++ cconcat 14625 ndxcnx 17275 Basecbs 17291 +gcplusg 17332 freeMndcfrmd 18943 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11171 ax-resscn 11172 ax-1cn 11173 ax-icn 11174 ax-addcl 11175 ax-addrcl 11176 ax-mulcl 11177 ax-mulrcl 11178 ax-mulcom 11179 ax-addass 11180 ax-mulass 11181 ax-distr 11182 ax-i2m1 11183 ax-1ne0 11184 ax-1rid 11185 ax-rnegex 11186 ax-rrecex 11187 ax-cnre 11188 ax-pre-lttri 11189 ax-pre-lttrn 11190 ax-pre-ltadd 11191 ax-pre-mulgt0 11192 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-int 4915 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-fin 8953 df-card 9941 df-pnf 11260 df-mnf 11261 df-xr 11262 df-ltxr 11263 df-le 11264 df-sub 11458 df-neg 11459 df-nn 12249 df-n0 12520 df-z 12607 df-uz 12879 df-fz 13552 df-fzo 13700 df-hash 14385 df-word 14569 df-frmd 18945 |
| This theorem is used by: frmdbas 18948 frmdplusg 18950 |
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