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| Mirrors > Home > MPE Home > Th. List > Mathboxes > mrexval | Structured version Visualization version GIF version | ||
| Description: The set of "raw expressions", which are expressions without a typecode, that is, just sequences of constants and variables. (Contributed by Mario Carneiro, 18-Jul-2016.) |
| Ref | Expression |
|---|---|
| mrexval.c | ⊢ 𝐶 = (mCN‘𝑇) |
| mrexval.v | ⊢ 𝑉 = (mVR‘𝑇) |
| mrexval.r | ⊢ 𝑅 = (mREx‘𝑇) |
| Ref | Expression |
|---|---|
| mrexval | ⊢ (𝑇 ∈ 𝑊 → 𝑅 = Word (𝐶 ∪ 𝑉)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mrexval.r | . 2 ⊢ 𝑅 = (mREx‘𝑇) | |
| 2 | elex 3469 | . . 3 ⊢ (𝑇 ∈ 𝑊 → 𝑇 ∈ V) | |
| 3 | fveq2 6856 | . . . . . . 7 ⊢ (𝑡 = 𝑇 → (mCN‘𝑡) = (mCN‘𝑇)) | |
| 4 | mrexval.c | . . . . . . 7 ⊢ 𝐶 = (mCN‘𝑇) | |
| 5 | 3, 4 | eqtr4di 2809 | . . . . . 6 ⊢ (𝑡 = 𝑇 → (mCN‘𝑡) = 𝐶) |
| 6 | fveq2 6856 | . . . . . . 7 ⊢ (𝑡 = 𝑇 → (mVR‘𝑡) = (mVR‘𝑇)) | |
| 7 | mrexval.v | . . . . . . 7 ⊢ 𝑉 = (mVR‘𝑇) | |
| 8 | 6, 7 | eqtr4di 2809 | . . . . . 6 ⊢ (𝑡 = 𝑇 → (mVR‘𝑡) = 𝑉) |
| 9 | 5, 8 | uneq12d 4117 | . . . . 5 ⊢ (𝑡 = 𝑇 → ((mCN‘𝑡) ∪ (mVR‘𝑡)) = (𝐶 ∪ 𝑉)) |
| 10 | wrdeq 14539 | . . . . 5 ⊢ (((mCN‘𝑡) ∪ (mVR‘𝑡)) = (𝐶 ∪ 𝑉) → Word ((mCN‘𝑡) ∪ (mVR‘𝑡)) = Word (𝐶 ∪ 𝑉)) | |
| 11 | 9, 10 | syl 17 | . . . 4 ⊢ (𝑡 = 𝑇 → Word ((mCN‘𝑡) ∪ (mVR‘𝑡)) = Word (𝐶 ∪ 𝑉)) |
| 12 | df-mrex 35784 | . . . 4 ⊢ mREx = (𝑡 ∈ V ↦ Word ((mCN‘𝑡) ∪ (mVR‘𝑡))) | |
| 13 | fvex 6869 | . . . . . 6 ⊢ (mCN‘𝑡) ∈ V | |
| 14 | fvex 6869 | . . . . . 6 ⊢ (mVR‘𝑡) ∈ V | |
| 15 | 13, 14 | unex 7716 | . . . . 5 ⊢ ((mCN‘𝑡) ∪ (mVR‘𝑡)) ∈ V |
| 16 | 15 | wrdexi 14529 | . . . 4 ⊢ Word ((mCN‘𝑡) ∪ (mVR‘𝑡)) ∈ V |
| 17 | 11, 12, 16 | fvmpt3i 6970 | . . 3 ⊢ (𝑇 ∈ V → (mREx‘𝑇) = Word (𝐶 ∪ 𝑉)) |
| 18 | 2, 17 | syl 17 | . 2 ⊢ (𝑇 ∈ 𝑊 → (mREx‘𝑇) = Word (𝐶 ∪ 𝑉)) |
| 19 | 1, 18 | eqtrid 2803 | 1 ⊢ (𝑇 ∈ 𝑊 → 𝑅 = Word (𝐶 ∪ 𝑉)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1554 ∈ wcel 2136 Vcvv 3448 ∪ cun 3897 ‘cfv 6510 Word cword 14516 mCNcmcn 35758 mVRcmvar 35759 mRExcmrex 35764 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-10 2169 ax-11 2185 ax-12 2206 ax-ext 2728 ax-rep 5221 ax-sep 5240 ax-nul 5250 ax-pow 5316 ax-pr 5384 ax-un 7707 ax-cnex 11119 ax-resscn 11120 ax-1cn 11121 ax-icn 11122 ax-addcl 11123 ax-addrcl 11124 ax-mulcl 11125 ax-mulrcl 11126 ax-mulcom 11127 ax-addass 11128 ax-mulass 11129 ax-distr 11130 ax-i2m1 11131 ax-1ne0 11132 ax-1rid 11133 ax-rnegex 11134 ax-rrecex 11135 ax-cnre 11136 ax-pre-lttri 11137 ax-pre-lttrn 11138 ax-pre-ltadd 11139 ax-pre-mulgt0 11140 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-nf 1798 df-sb 2085 df-mo 2560 df-eu 2590 df-clab 2735 df-cleq 2748 df-clel 2831 df-nfc 2905 df-ne 2952 df-nel 3056 df-ral 3071 df-rex 3081 df-reu 3362 df-rab 3409 df-v 3450 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4281 df-if 4475 df-pw 4551 df-sn 4577 df-pr 4579 df-op 4583 df-uni 4860 df-int 4900 df-iun 4945 df-br 5095 df-opab 5157 df-mpt 5176 df-tr 5202 df-id 5535 df-eprel 5540 df-po 5548 df-so 5549 df-fr 5593 df-we 5595 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6466 df-fun 6512 df-fn 6513 df-f 6514 df-f1 6515 df-fo 6516 df-f1o 6517 df-fv 6518 df-riota 7342 df-ov 7388 df-oprab 7389 df-mpo 7390 df-om 7836 df-1st 7959 df-2nd 7960 df-frecs 8250 df-wrecs 8281 df-recs 8330 df-rdg 8369 df-1o 8425 df-er 8666 df-map 8798 df-en 8917 df-dom 8918 df-sdom 8919 df-fin 8920 df-card 9887 df-pnf 11208 df-mnf 11209 df-xr 11210 df-ltxr 11211 df-le 11212 df-sub 11406 df-neg 11407 df-nn 12201 df-n0 12472 df-z 12559 df-uz 12830 df-fz 13503 df-fzo 13650 df-hash 14334 df-word 14517 df-mrex 35784 |
| This theorem is referenced by: mexval2 35801 mrsubcv 35808 mrsubff 35810 mrsubrn 35811 mrsub0 35814 mrsubccat 35816 elmrsubrn 35818 mrsubco 35819 mrsubvrs 35820 mvhf 35856 msubvrs 35858 |
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