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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 19335 | . . 3 ⊢ (𝐹 ∈ dom 𝑆 → (𝑆‘𝐹) = (𝐹‘((♯‘𝐹) − 1))) |
8 | 7 | adantr 481 | . 2 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((♯‘𝐹) − 1) ∈ ℕ) → (𝑆‘𝐹) = (𝐹‘((♯‘𝐹) − 1))) |
9 | fveq2 6771 | . . . 4 ⊢ (𝑖 = ((♯‘𝐹) − 1) → (𝐹‘𝑖) = (𝐹‘((♯‘𝐹) − 1))) | |
10 | fvoveq1 7294 | . . . . . 6 ⊢ (𝑖 = ((♯‘𝐹) − 1) → (𝐹‘(𝑖 − 1)) = (𝐹‘(((♯‘𝐹) − 1) − 1))) | |
11 | 10 | fveq2d 6775 | . . . . 5 ⊢ (𝑖 = ((♯‘𝐹) − 1) → (𝑇‘(𝐹‘(𝑖 − 1))) = (𝑇‘(𝐹‘(((♯‘𝐹) − 1) − 1)))) |
12 | 11 | rneqd 5846 | . . . 4 ⊢ (𝑖 = ((♯‘𝐹) − 1) → ran (𝑇‘(𝐹‘(𝑖 − 1))) = ran (𝑇‘(𝐹‘(((♯‘𝐹) − 1) − 1)))) |
13 | 9, 12 | eleq12d 2835 | . . 3 ⊢ (𝑖 = ((♯‘𝐹) − 1) → ((𝐹‘𝑖) ∈ ran (𝑇‘(𝐹‘(𝑖 − 1))) ↔ (𝐹‘((♯‘𝐹) − 1)) ∈ ran (𝑇‘(𝐹‘(((♯‘𝐹) − 1) − 1))))) |
14 | 1, 2, 3, 4, 5, 6 | efgsdm 19334 | . . . . 5 ⊢ (𝐹 ∈ dom 𝑆 ↔ (𝐹 ∈ (Word 𝑊 ∖ {∅}) ∧ (𝐹‘0) ∈ 𝐷 ∧ ∀𝑖 ∈ (1..^(♯‘𝐹))(𝐹‘𝑖) ∈ ran (𝑇‘(𝐹‘(𝑖 − 1))))) |
15 | 14 | simp3bi 1146 | . . . 4 ⊢ (𝐹 ∈ dom 𝑆 → ∀𝑖 ∈ (1..^(♯‘𝐹))(𝐹‘𝑖) ∈ ran (𝑇‘(𝐹‘(𝑖 − 1)))) |
16 | 15 | adantr 481 | . . 3 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((♯‘𝐹) − 1) ∈ ℕ) → ∀𝑖 ∈ (1..^(♯‘𝐹))(𝐹‘𝑖) ∈ ran (𝑇‘(𝐹‘(𝑖 − 1)))) |
17 | simpr 485 | . . . . . . 7 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((♯‘𝐹) − 1) ∈ ℕ) → ((♯‘𝐹) − 1) ∈ ℕ) | |
18 | nnuz 12620 | . . . . . . 7 ⊢ ℕ = (ℤ≥‘1) | |
19 | 17, 18 | eleqtrdi 2851 | . . . . . 6 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((♯‘𝐹) − 1) ∈ ℕ) → ((♯‘𝐹) − 1) ∈ (ℤ≥‘1)) |
20 | eluzfz1 13262 | . . . . . 6 ⊢ (((♯‘𝐹) − 1) ∈ (ℤ≥‘1) → 1 ∈ (1...((♯‘𝐹) − 1))) | |
21 | 19, 20 | syl 17 | . . . . 5 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((♯‘𝐹) − 1) ∈ ℕ) → 1 ∈ (1...((♯‘𝐹) − 1))) |
22 | 14 | simp1bi 1144 | . . . . . . . 8 ⊢ (𝐹 ∈ dom 𝑆 → 𝐹 ∈ (Word 𝑊 ∖ {∅})) |
23 | 22 | adantr 481 | . . . . . . 7 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((♯‘𝐹) − 1) ∈ ℕ) → 𝐹 ∈ (Word 𝑊 ∖ {∅})) |
24 | 23 | eldifad 3904 | . . . . . 6 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((♯‘𝐹) − 1) ∈ ℕ) → 𝐹 ∈ Word 𝑊) |
25 | lencl 14234 | . . . . . 6 ⊢ (𝐹 ∈ Word 𝑊 → (♯‘𝐹) ∈ ℕ0) | |
26 | nn0z 12343 | . . . . . 6 ⊢ ((♯‘𝐹) ∈ ℕ0 → (♯‘𝐹) ∈ ℤ) | |
27 | fzoval 13387 | . . . . . 6 ⊢ ((♯‘𝐹) ∈ ℤ → (1..^(♯‘𝐹)) = (1...((♯‘𝐹) − 1))) | |
28 | 24, 25, 26, 27 | 4syl 19 | . . . . 5 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((♯‘𝐹) − 1) ∈ ℕ) → (1..^(♯‘𝐹)) = (1...((♯‘𝐹) − 1))) |
29 | 21, 28 | eleqtrrd 2844 | . . . 4 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((♯‘𝐹) − 1) ∈ ℕ) → 1 ∈ (1..^(♯‘𝐹))) |
30 | fzoend 13476 | . . . 4 ⊢ (1 ∈ (1..^(♯‘𝐹)) → ((♯‘𝐹) − 1) ∈ (1..^(♯‘𝐹))) | |
31 | 29, 30 | syl 17 | . . 3 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((♯‘𝐹) − 1) ∈ ℕ) → ((♯‘𝐹) − 1) ∈ (1..^(♯‘𝐹))) |
32 | 13, 16, 31 | rspcdva 3563 | . 2 ⊢ ((𝐹 ∈ dom 𝑆 ∧ ((♯‘𝐹) − 1) ∈ ℕ) → (𝐹‘((♯‘𝐹) − 1)) ∈ ran (𝑇‘(𝐹‘(((♯‘𝐹) − 1) − 1)))) |
33 | 8, 32 | eqeltrd 2841 | 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 396 = wceq 1542 ∈ wcel 2110 ∀wral 3066 {crab 3070 ∖ cdif 3889 ∅c0 4262 {csn 4567 〈cop 4573 〈cotp 4575 ∪ ciun 4930 ↦ cmpt 5162 I cid 5489 × cxp 5588 dom cdm 5590 ran crn 5591 ‘cfv 6432 (class class class)co 7271 ∈ cmpo 7273 1oc1o 8281 2oc2o 8282 0cc0 10872 1c1 10873 − cmin 11205 ℕcn 11973 ℕ0cn0 12233 ℤcz 12319 ℤ≥cuz 12581 ...cfz 13238 ..^cfzo 13381 ♯chash 14042 Word cword 14215 splice csplice 14460 〈“cs2 14552 ~FG cefg 19310 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2015 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2711 ax-rep 5214 ax-sep 5227 ax-nul 5234 ax-pow 5292 ax-pr 5356 ax-un 7582 ax-cnex 10928 ax-resscn 10929 ax-1cn 10930 ax-icn 10931 ax-addcl 10932 ax-addrcl 10933 ax-mulcl 10934 ax-mulrcl 10935 ax-mulcom 10936 ax-addass 10937 ax-mulass 10938 ax-distr 10939 ax-i2m1 10940 ax-1ne0 10941 ax-1rid 10942 ax-rnegex 10943 ax-rrecex 10944 ax-cnre 10945 ax-pre-lttri 10946 ax-pre-lttrn 10947 ax-pre-ltadd 10948 ax-pre-mulgt0 10949 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2072 df-mo 2542 df-eu 2571 df-clab 2718 df-cleq 2732 df-clel 2818 df-nfc 2891 df-ne 2946 df-nel 3052 df-ral 3071 df-rex 3072 df-reu 3073 df-rab 3075 df-v 3433 df-sbc 3721 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4846 df-int 4886 df-iun 4932 df-br 5080 df-opab 5142 df-mpt 5163 df-tr 5197 df-id 5490 df-eprel 5496 df-po 5504 df-so 5505 df-fr 5545 df-we 5547 df-xp 5596 df-rel 5597 df-cnv 5598 df-co 5599 df-dm 5600 df-rn 5601 df-res 5602 df-ima 5603 df-pred 6201 df-ord 6268 df-on 6269 df-lim 6270 df-suc 6271 df-iota 6390 df-fun 6434 df-fn 6435 df-f 6436 df-f1 6437 df-fo 6438 df-f1o 6439 df-fv 6440 df-riota 7228 df-ov 7274 df-oprab 7275 df-mpo 7276 df-om 7707 df-1st 7824 df-2nd 7825 df-frecs 8088 df-wrecs 8119 df-recs 8193 df-rdg 8232 df-1o 8288 df-er 8481 df-en 8717 df-dom 8718 df-sdom 8719 df-fin 8720 df-card 9698 df-pnf 11012 df-mnf 11013 df-xr 11014 df-ltxr 11015 df-le 11016 df-sub 11207 df-neg 11208 df-nn 11974 df-n0 12234 df-z 12320 df-uz 12582 df-fz 13239 df-fzo 13382 df-hash 14043 df-word 14216 |
This theorem is referenced by: efgs1b 19340 efgredlemg 19346 efgredlemd 19348 efgredlem 19351 |
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