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Mirrors > Home > MPE Home > Th. List > efgsdmi | Structured version Visualization version GIF version |
Description: Property of the last link in the chain of extensions. (Contributed by Mario Carneiro, 29-Sep-2015.) |
Ref | Expression |
---|---|
efgval.w | ⊢ 𝑊 = ( I ‘Word (𝐼 × 2𝑜)) |
efgval.r | ⊢ ∼ = ( ~FG ‘𝐼) |
efgval2.m | ⊢ 𝑀 = (𝑦 ∈ 𝐼, 𝑧 ∈ 2𝑜 ↦ 〈𝑦, (1𝑜 ∖ 𝑧)〉) |
efgval2.t | ⊢ 𝑇 = (𝑣 ∈ 𝑊 ↦ (𝑛 ∈ (0...(#‘𝑣)), 𝑤 ∈ (𝐼 × 2𝑜) ↦ (𝑣 splice 〈𝑛, 𝑛, 〈“𝑤(𝑀‘𝑤)”〉〉))) |
efgred.d | ⊢ 𝐷 = (𝑊 ∖ ∪ 𝑥 ∈ 𝑊 ran (𝑇‘𝑥)) |
efgred.s | ⊢ 𝑆 = (𝑚 ∈ {𝑡 ∈ (Word 𝑊 ∖ {∅}) ∣ ((𝑡‘0) ∈ 𝐷 ∧ ∀𝑘 ∈ (1..^(#‘𝑡))(𝑡‘𝑘) ∈ ran (𝑇‘(𝑡‘(𝑘 − 1))))} ↦ (𝑚‘((#‘𝑚) − 1))) |
Ref | Expression |
---|---|
efgsdmi | ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → (𝑆‘𝐹) ∈ ran (𝑇‘(𝐹‘(((#‘𝐹) − 1) − 1)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | efgval.w | . . . 4 ⊢ 𝑊 = ( I ‘Word (𝐼 × 2𝑜)) | |
2 | efgval.r | . . . 4 ⊢ ∼ = ( ~FG ‘𝐼) | |
3 | efgval2.m | . . . 4 ⊢ 𝑀 = (𝑦 ∈ 𝐼, 𝑧 ∈ 2𝑜 ↦ 〈𝑦, (1𝑜 ∖ 𝑧)〉) | |
4 | efgval2.t | . . . 4 ⊢ 𝑇 = (𝑣 ∈ 𝑊 ↦ (𝑛 ∈ (0...(#‘𝑣)), 𝑤 ∈ (𝐼 × 2𝑜) ↦ (𝑣 splice 〈𝑛, 𝑛, 〈“𝑤(𝑀‘𝑤)”〉〉))) | |
5 | efgred.d | . . . 4 ⊢ 𝐷 = (𝑊 ∖ ∪ 𝑥 ∈ 𝑊 ran (𝑇‘𝑥)) | |
6 | efgred.s | . . . 4 ⊢ 𝑆 = (𝑚 ∈ {𝑡 ∈ (Word 𝑊 ∖ {∅}) ∣ ((𝑡‘0) ∈ 𝐷 ∧ ∀𝑘 ∈ (1..^(#‘𝑡))(𝑡‘𝑘) ∈ ran (𝑇‘(𝑡‘(𝑘 − 1))))} ↦ (𝑚‘((#‘𝑚) − 1))) | |
7 | 1, 2, 3, 4, 5, 6 | efgsval 17967 | . . 3 ⊢ (𝐹 ∈ dom 𝑆 → (𝑆‘𝐹) = (𝐹‘((#‘𝐹) − 1))) |
8 | 7 | adantr 480 | . 2 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → (𝑆‘𝐹) = (𝐹‘((#‘𝐹) − 1))) |
9 | simpr 476 | . . . . . . 7 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → ((#‘𝐹) − 1) ∈ ℕ) | |
10 | nnuz 11599 | . . . . . . 7 ⊢ ℕ = (ℤ≥‘1) | |
11 | 9, 10 | syl6eleq 2698 | . . . . . 6 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → ((#‘𝐹) − 1) ∈ (ℤ≥‘1)) |
12 | eluzfz1 12219 | . . . . . 6 ⊢ (((#‘𝐹) − 1) ∈ (ℤ≥‘1) → 1 ∈ (1...((#‘𝐹) − 1))) | |
13 | 11, 12 | syl 17 | . . . . 5 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → 1 ∈ (1...((#‘𝐹) − 1))) |
14 | 1, 2, 3, 4, 5, 6 | efgsdm 17966 | . . . . . . . . 9 ⊢ (𝐹 ∈ dom 𝑆 ↔ (𝐹 ∈ (Word 𝑊 ∖ {∅}) ∧ (𝐹‘0) ∈ 𝐷 ∧ ∀𝑖 ∈ (1..^(#‘𝐹))(𝐹‘𝑖) ∈ ran (𝑇‘(𝐹‘(𝑖 − 1))))) |
15 | 14 | simp1bi 1069 | . . . . . . . 8 ⊢ (𝐹 ∈ dom 𝑆 → 𝐹 ∈ (Word 𝑊 ∖ {∅})) |
16 | 15 | adantr 480 | . . . . . . 7 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → 𝐹 ∈ (Word 𝑊 ∖ {∅})) |
17 | 16 | eldifad 3552 | . . . . . 6 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → 𝐹 ∈ Word 𝑊) |
18 | lencl 13179 | . . . . . 6 ⊢ (𝐹 ∈ Word 𝑊 → (#‘𝐹) ∈ ℕ0) | |
19 | nn0z 11277 | . . . . . 6 ⊢ ((#‘𝐹) ∈ ℕ0 → (#‘𝐹) ∈ ℤ) | |
20 | fzoval 12340 | . . . . . 6 ⊢ ((#‘𝐹) ∈ ℤ → (1..^(#‘𝐹)) = (1...((#‘𝐹) − 1))) | |
21 | 17, 18, 19, 20 | 4syl 19 | . . . . 5 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → (1..^(#‘𝐹)) = (1...((#‘𝐹) − 1))) |
22 | 13, 21 | eleqtrrd 2691 | . . . 4 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → 1 ∈ (1..^(#‘𝐹))) |
23 | fzoend 12425 | . . . 4 ⊢ (1 ∈ (1..^(#‘𝐹)) → ((#‘𝐹) − 1) ∈ (1..^(#‘𝐹))) | |
24 | 22, 23 | syl 17 | . . 3 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → ((#‘𝐹) − 1) ∈ (1..^(#‘𝐹))) |
25 | 14 | simp3bi 1071 | . . . 4 ⊢ (𝐹 ∈ dom 𝑆 → ∀𝑖 ∈ (1..^(#‘𝐹))(𝐹‘𝑖) ∈ ran (𝑇‘(𝐹‘(𝑖 − 1)))) |
26 | 25 | adantr 480 | . . 3 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → ∀𝑖 ∈ (1..^(#‘𝐹))(𝐹‘𝑖) ∈ ran (𝑇‘(𝐹‘(𝑖 − 1)))) |
27 | fveq2 6103 | . . . . 5 ⊢ (𝑖 = ((#‘𝐹) − 1) → (𝐹‘𝑖) = (𝐹‘((#‘𝐹) − 1))) | |
28 | oveq1 6556 | . . . . . . . 8 ⊢ (𝑖 = ((#‘𝐹) − 1) → (𝑖 − 1) = (((#‘𝐹) − 1) − 1)) | |
29 | 28 | fveq2d 6107 | . . . . . . 7 ⊢ (𝑖 = ((#‘𝐹) − 1) → (𝐹‘(𝑖 − 1)) = (𝐹‘(((#‘𝐹) − 1) − 1))) |
30 | 29 | fveq2d 6107 | . . . . . 6 ⊢ (𝑖 = ((#‘𝐹) − 1) → (𝑇‘(𝐹‘(𝑖 − 1))) = (𝑇‘(𝐹‘(((#‘𝐹) − 1) − 1)))) |
31 | 30 | rneqd 5274 | . . . . 5 ⊢ (𝑖 = ((#‘𝐹) − 1) → ran (𝑇‘(𝐹‘(𝑖 − 1))) = ran (𝑇‘(𝐹‘(((#‘𝐹) − 1) − 1)))) |
32 | 27, 31 | eleq12d 2682 | . . . 4 ⊢ (𝑖 = ((#‘𝐹) − 1) → ((𝐹‘𝑖) ∈ ran (𝑇‘(𝐹‘(𝑖 − 1))) ↔ (𝐹‘((#‘𝐹) − 1)) ∈ ran (𝑇‘(𝐹‘(((#‘𝐹) − 1) − 1))))) |
33 | 32 | rspcv 3278 | . . 3 ⊢ (((#‘𝐹) − 1) ∈ (1..^(#‘𝐹)) → (∀𝑖 ∈ (1..^(#‘𝐹))(𝐹‘𝑖) ∈ ran (𝑇‘(𝐹‘(𝑖 − 1))) → (𝐹‘((#‘𝐹) − 1)) ∈ ran (𝑇‘(𝐹‘(((#‘𝐹) − 1) − 1))))) |
34 | 24, 26, 33 | sylc 63 | . 2 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → (𝐹‘((#‘𝐹) − 1)) ∈ ran (𝑇‘(𝐹‘(((#‘𝐹) − 1) − 1)))) |
35 | 8, 34 | eqeltrd 2688 | 1 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((#‘𝐹) − 1) ∈ ℕ) → (𝑆‘𝐹) ∈ ran (𝑇‘(𝐹‘(((#‘𝐹) − 1) − 1)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ∀wral 2896 {crab 2900 ∖ cdif 3537 ∅c0 3874 {csn 4125 〈cop 4131 〈cotp 4133 ∪ ciun 4455 ↦ cmpt 4643 I cid 4948 × cxp 5036 dom cdm 5038 ran crn 5039 ‘cfv 5804 (class class class)co 6549 ↦ cmpt2 6551 1𝑜c1o 7440 2𝑜c2o 7441 0cc0 9815 1c1 9816 − cmin 10145 ℕcn 10897 ℕ0cn0 11169 ℤcz 11254 ℤ≥cuz 11563 ...cfz 12197 ..^cfzo 12334 #chash 12979 Word cword 13146 splice csplice 13151 〈“cs2 13437 ~FG cefg 17942 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-1st 7059 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-oadd 7451 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-card 8648 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-nn 10898 df-n0 11170 df-z 11255 df-uz 11564 df-fz 12198 df-fzo 12335 df-hash 12980 df-word 13154 |
This theorem is referenced by: efgs1b 17972 efgredlemg 17978 efgredlemd 17980 efgredlem 17983 |
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