Theorem splidOLD 13865

Description: Obsolete proof of splid 13864 as of 12-Oct-2022. (Contributed by Stefan O'Rear, 20-Aug-2015.) (Proof modification is discouraged.) (New usage is discouraged.)

Assertion

Ref	Expression
splidOLD	⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → (𝑆 spliceOLD ⟨𝑋, 𝑌, (𝑆 substr ⟨𝑋, 𝑌⟩)⟩) = 𝑆)

Proof of Theorem splidOLD

Step	Hyp	Ref	Expression
1		ovex 6937	. . 3 ⊢ (𝑆 substr ⟨𝑋, 𝑌⟩) ∈ V
2		splvalOLD 13861	. . 3 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)) ∧ (𝑆 substr ⟨𝑋, 𝑌⟩) ∈ V)) → (𝑆 spliceOLD ⟨𝑋, 𝑌, (𝑆 substr ⟨𝑋, 𝑌⟩)⟩) = (((𝑆 substr ⟨0, 𝑋⟩) ++ (𝑆 substr ⟨𝑋, 𝑌⟩)) ++ (𝑆 substr ⟨𝑌, (♯‘𝑆)⟩)))
3	1, 2	mp3anr3 1588	. 2 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → (𝑆 spliceOLD ⟨𝑋, 𝑌, (𝑆 substr ⟨𝑋, 𝑌⟩)⟩) = (((𝑆 substr ⟨0, 𝑋⟩) ++ (𝑆 substr ⟨𝑋, 𝑌⟩)) ++ (𝑆 substr ⟨𝑌, (♯‘𝑆)⟩)))
4		simpl 476	. . . . 5 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → 𝑆 ∈ Word 𝐴)
5		elfzuz 12631	. . . . . . 7 ⊢ (𝑋 ∈ (0...𝑌) → 𝑋 ∈ (ℤ≥‘0))
6	5	ad2antrl 719	. . . . . 6 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → 𝑋 ∈ (ℤ≥‘0))
7		eluzfz1 12641	. . . . . 6 ⊢ (𝑋 ∈ (ℤ≥‘0) → 0 ∈ (0...𝑋))
8	6, 7	syl 17	. . . . 5 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → 0 ∈ (0...𝑋))
9		simprl 787	. . . . 5 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → 𝑋 ∈ (0...𝑌))
10		simprr 789	. . . . 5 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → 𝑌 ∈ (0...(♯‘𝑆)))
11		ccatswrd 13746	. . . . 5 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (0 ∈ (0...𝑋) ∧ 𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → ((𝑆 substr ⟨0, 𝑋⟩) ++ (𝑆 substr ⟨𝑋, 𝑌⟩)) = (𝑆 substr ⟨0, 𝑌⟩))
12	4, 8, 9, 10, 11	syl13anc 1495	. . . 4 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → ((𝑆 substr ⟨0, 𝑋⟩) ++ (𝑆 substr ⟨𝑋, 𝑌⟩)) = (𝑆 substr ⟨0, 𝑌⟩))
13	12	oveq1d 6920	. . 3 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → (((𝑆 substr ⟨0, 𝑋⟩) ++ (𝑆 substr ⟨𝑋, 𝑌⟩)) ++ (𝑆 substr ⟨𝑌, (♯‘𝑆)⟩)) = ((𝑆 substr ⟨0, 𝑌⟩) ++ (𝑆 substr ⟨𝑌, (♯‘𝑆)⟩)))
14		elfzuz 12631	. . . . . . 7 ⊢ (𝑌 ∈ (0...(♯‘𝑆)) → 𝑌 ∈ (ℤ≥‘0))
15	14	ad2antll 720	. . . . . 6 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → 𝑌 ∈ (ℤ≥‘0))
16		eluzfz1 12641	. . . . . 6 ⊢ (𝑌 ∈ (ℤ≥‘0) → 0 ∈ (0...𝑌))
17	15, 16	syl 17	. . . . 5 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → 0 ∈ (0...𝑌))
18		elfzuz2 12639	. . . . . . 7 ⊢ (𝑌 ∈ (0...(♯‘𝑆)) → (♯‘𝑆) ∈ (ℤ≥‘0))
19	18	ad2antll 720	. . . . . 6 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → (♯‘𝑆) ∈ (ℤ≥‘0))
20		eluzfz2 12642	. . . . . 6 ⊢ ((♯‘𝑆) ∈ (ℤ≥‘0) → (♯‘𝑆) ∈ (0...(♯‘𝑆)))
21	19, 20	syl 17	. . . . 5 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → (♯‘𝑆) ∈ (0...(♯‘𝑆)))
22		ccatswrd 13746	. . . . 5 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (0 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)) ∧ (♯‘𝑆) ∈ (0...(♯‘𝑆)))) → ((𝑆 substr ⟨0, 𝑌⟩) ++ (𝑆 substr ⟨𝑌, (♯‘𝑆)⟩)) = (𝑆 substr ⟨0, (♯‘𝑆)⟩))
23	4, 17, 10, 21, 22	syl13anc 1495	. . . 4 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → ((𝑆 substr ⟨0, 𝑌⟩) ++ (𝑆 substr ⟨𝑌, (♯‘𝑆)⟩)) = (𝑆 substr ⟨0, (♯‘𝑆)⟩))
24		swrdidOLD 13715	. . . . 5 ⊢ (𝑆 ∈ Word 𝐴 → (𝑆 substr ⟨0, (♯‘𝑆)⟩) = 𝑆)
25	24	adantr 474	. . . 4 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → (𝑆 substr ⟨0, (♯‘𝑆)⟩) = 𝑆)
26	23, 25	eqtrd 2861	. . 3 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → ((𝑆 substr ⟨0, 𝑌⟩) ++ (𝑆 substr ⟨𝑌, (♯‘𝑆)⟩)) = 𝑆)
27	13, 26	eqtrd 2861	. 2 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → (((𝑆 substr ⟨0, 𝑋⟩) ++ (𝑆 substr ⟨𝑋, 𝑌⟩)) ++ (𝑆 substr ⟨𝑌, (♯‘𝑆)⟩)) = 𝑆)
28	3, 27	eqtrd 2861	1 ⊢ ((𝑆 ∈ Word 𝐴 ∧ (𝑋 ∈ (0...𝑌) ∧ 𝑌 ∈ (0...(♯‘𝑆)))) → (𝑆 spliceOLD ⟨𝑋, 𝑌, (𝑆 substr ⟨𝑋, 𝑌⟩)⟩) = 𝑆)

Syntax hints:   → wi 4   ∧ wa 386   = wceq 1656   ∈ wcel 2164  Vcvv 3414  ⟨cop 4403  ⟨cotp 4405  ‘cfv 6123  (class class class)co 6905  0cc0 10252  ℤ_≥cuz 11968  ...cfz 12619  ♯chash 13410  Word cword 13574   ++ cconcat 13630   substr csubstr 13700   spliceOLD cspliceold 13856

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1894  ax-4 1908  ax-5 2009  ax-6 2075  ax-7 2112  ax-8 2166  ax-9 2173  ax-10 2192  ax-11 2207  ax-12 2220  ax-13 2389  ax-ext 2803  ax-rep 4994  ax-sep 5005  ax-nul 5013  ax-pow 5065  ax-pr 5127  ax-un 7209  ax-cnex 10308  ax-resscn 10309  ax-1cn 10310  ax-icn 10311  ax-addcl 10312  ax-addrcl 10313  ax-mulcl 10314  ax-mulrcl 10315  ax-mulcom 10316  ax-addass 10317  ax-mulass 10318  ax-distr 10319  ax-i2m1 10320  ax-1ne0 10321  ax-1rid 10322  ax-rnegex 10323  ax-rrecex 10324  ax-cnre 10325  ax-pre-lttri 10326  ax-pre-lttrn 10327  ax-pre-ltadd 10328  ax-pre-mulgt0 10329

This theorem depends on definitions:  df-bi 199  df-an 387  df-or 879  df-3or 1112  df-3an 1113  df-tru 1660  df-ex 1879  df-nf 1883  df-sb 2068  df-mo 2605  df-eu 2640  df-clab 2812  df-cleq 2818  df-clel 2821  df-nfc 2958  df-ne 3000  df-nel 3103  df-ral 3122  df-rex 3123  df-reu 3124  df-rab 3126  df-v 3416  df-sbc 3663  df-csb 3758  df-dif 3801  df-un 3803  df-in 3805  df-ss 3812  df-pss 3814  df-nul 4145  df-if 4307  df-pw 4380  df-sn 4398  df-pr 4400  df-tp 4402  df-op 4404  df-ot 4406  df-uni 4659  df-int 4698  df-iun 4742  df-br 4874  df-opab 4936  df-mpt 4953  df-tr 4976  df-id 5250  df-eprel 5255  df-po 5263  df-so 5264  df-fr 5301  df-we 5303  df-xp 5348  df-rel 5349  df-cnv 5350  df-co 5351  df-dm 5352  df-rn 5353  df-res 5354  df-ima 5355  df-pred 5920  df-ord 5966  df-on 5967  df-lim 5968  df-suc 5969  df-iota 6086  df-fun 6125  df-fn 6126  df-f 6127  df-f1 6128  df-fo 6129  df-f1o 6130  df-fv 6131  df-riota 6866  df-ov 6908  df-oprab 6909  df-mpt2 6910  df-om 7327  df-1st 7428  df-2nd 7429  df-wrecs 7672  df-recs 7734  df-rdg 7772  df-1o 7826  df-oadd 7830  df-er 8009  df-en 8223  df-dom 8224  df-sdom 8225  df-fin 8226  df-card 9078  df-pnf 10393  df-mnf 10394  df-xr 10395  df-ltxr 10396  df-le 10397  df-sub 10587  df-neg 10588  df-nn 11351  df-n0 11619  df-z 11705  df-uz 11969  df-fz 12620  df-fzo 12761  df-hash 13411  df-word 13575  df-concat 13631  df-substr 13701  df-spliceOLD 13858

This theorem is referenced by: (None)