Users' Mathboxes Mathbox for Alexander van der Vekens < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  pfxccat3a Structured version   Visualization version   GIF version

Theorem pfxccat3a 41754
Description: A prefix of a concatenation is either a prefix of the first concatenated word or a concatenation of the first word with a prefix of the second word. Could replace swrdccat3a 13540. (Contributed by AV, 10-May-2020.)
Hypotheses
Ref Expression
pfxccatin12.l 𝐿 = (#‘𝐴)
pfxccatpfx2.m 𝑀 = (#‘𝐵)
Assertion
Ref Expression
pfxccat3a ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) → (𝑁 ∈ (0...(𝐿 + 𝑀)) → ((𝐴 ++ 𝐵) prefix 𝑁) = if(𝑁𝐿, (𝐴 prefix 𝑁), (𝐴 ++ (𝐵 prefix (𝑁𝐿))))))

Proof of Theorem pfxccat3a
StepHypRef Expression
1 simprl 809 . . . . . 6 ((𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → (𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉))
2 elfznn0 12471 . . . . . . . . 9 (𝑁 ∈ (0...(𝐿 + 𝑀)) → 𝑁 ∈ ℕ0)
32adantl 481 . . . . . . . 8 (((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀))) → 𝑁 ∈ ℕ0)
43adantl 481 . . . . . . 7 ((𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → 𝑁 ∈ ℕ0)
5 pfxccatin12.l . . . . . . . . . . 11 𝐿 = (#‘𝐴)
6 lencl 13356 . . . . . . . . . . 11 (𝐴 ∈ Word 𝑉 → (#‘𝐴) ∈ ℕ0)
75, 6syl5eqel 2734 . . . . . . . . . 10 (𝐴 ∈ Word 𝑉𝐿 ∈ ℕ0)
87adantr 480 . . . . . . . . 9 ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) → 𝐿 ∈ ℕ0)
98adantr 480 . . . . . . . 8 (((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀))) → 𝐿 ∈ ℕ0)
109adantl 481 . . . . . . 7 ((𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → 𝐿 ∈ ℕ0)
11 simpl 472 . . . . . . 7 ((𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → 𝑁𝐿)
12 elfz2nn0 12469 . . . . . . 7 (𝑁 ∈ (0...𝐿) ↔ (𝑁 ∈ ℕ0𝐿 ∈ ℕ0𝑁𝐿))
134, 10, 11, 12syl3anbrc 1265 . . . . . 6 ((𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → 𝑁 ∈ (0...𝐿))
14 df-3an 1056 . . . . . 6 ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉𝑁 ∈ (0...𝐿)) ↔ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...𝐿)))
151, 13, 14sylanbrc 699 . . . . 5 ((𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → (𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉𝑁 ∈ (0...𝐿)))
165pfxccatpfx1 41752 . . . . 5 ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉𝑁 ∈ (0...𝐿)) → ((𝐴 ++ 𝐵) prefix 𝑁) = (𝐴 prefix 𝑁))
1715, 16syl 17 . . . 4 ((𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → ((𝐴 ++ 𝐵) prefix 𝑁) = (𝐴 prefix 𝑁))
18 iftrue 4125 . . . . 5 (𝑁𝐿 → if(𝑁𝐿, (𝐴 prefix 𝑁), (𝐴 ++ (𝐵 prefix (𝑁𝐿)))) = (𝐴 prefix 𝑁))
1918adantr 480 . . . 4 ((𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → if(𝑁𝐿, (𝐴 prefix 𝑁), (𝐴 ++ (𝐵 prefix (𝑁𝐿)))) = (𝐴 prefix 𝑁))
2017, 19eqtr4d 2688 . . 3 ((𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → ((𝐴 ++ 𝐵) prefix 𝑁) = if(𝑁𝐿, (𝐴 prefix 𝑁), (𝐴 ++ (𝐵 prefix (𝑁𝐿)))))
21 simprl 809 . . . . . 6 ((¬ 𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → (𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉))
22 elfz2nn0 12469 . . . . . . . . 9 (𝑁 ∈ (0...(𝐿 + 𝑀)) ↔ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀)))
235eleq1i 2721 . . . . . . . . . . . 12 (𝐿 ∈ ℕ0 ↔ (#‘𝐴) ∈ ℕ0)
24 nn0ltp1le 11473 . . . . . . . . . . . . . . . 16 ((𝐿 ∈ ℕ0𝑁 ∈ ℕ0) → (𝐿 < 𝑁 ↔ (𝐿 + 1) ≤ 𝑁))
25 nn0re 11339 . . . . . . . . . . . . . . . . 17 (𝐿 ∈ ℕ0𝐿 ∈ ℝ)
26 nn0re 11339 . . . . . . . . . . . . . . . . 17 (𝑁 ∈ ℕ0𝑁 ∈ ℝ)
27 ltnle 10155 . . . . . . . . . . . . . . . . 17 ((𝐿 ∈ ℝ ∧ 𝑁 ∈ ℝ) → (𝐿 < 𝑁 ↔ ¬ 𝑁𝐿))
2825, 26, 27syl2an 493 . . . . . . . . . . . . . . . 16 ((𝐿 ∈ ℕ0𝑁 ∈ ℕ0) → (𝐿 < 𝑁 ↔ ¬ 𝑁𝐿))
2924, 28bitr3d 270 . . . . . . . . . . . . . . 15 ((𝐿 ∈ ℕ0𝑁 ∈ ℕ0) → ((𝐿 + 1) ≤ 𝑁 ↔ ¬ 𝑁𝐿))
30293ad2antr1 1246 . . . . . . . . . . . . . 14 ((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) → ((𝐿 + 1) ≤ 𝑁 ↔ ¬ 𝑁𝐿))
31 simpr3 1089 . . . . . . . . . . . . . . . . . 18 ((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) → 𝑁 ≤ (𝐿 + 𝑀))
3231anim1i 591 . . . . . . . . . . . . . . . . 17 (((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) ∧ (𝐿 + 1) ≤ 𝑁) → (𝑁 ≤ (𝐿 + 𝑀) ∧ (𝐿 + 1) ≤ 𝑁))
3332ancomd 466 . . . . . . . . . . . . . . . 16 (((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) ∧ (𝐿 + 1) ≤ 𝑁) → ((𝐿 + 1) ≤ 𝑁𝑁 ≤ (𝐿 + 𝑀)))
34 nn0z 11438 . . . . . . . . . . . . . . . . . . . 20 (𝑁 ∈ ℕ0𝑁 ∈ ℤ)
35343ad2ant1 1102 . . . . . . . . . . . . . . . . . . 19 ((𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀)) → 𝑁 ∈ ℤ)
3635adantl 481 . . . . . . . . . . . . . . . . . 18 ((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) → 𝑁 ∈ ℤ)
3736adantr 480 . . . . . . . . . . . . . . . . 17 (((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) ∧ (𝐿 + 1) ≤ 𝑁) → 𝑁 ∈ ℤ)
38 peano2nn0 11371 . . . . . . . . . . . . . . . . . . . 20 (𝐿 ∈ ℕ0 → (𝐿 + 1) ∈ ℕ0)
3938nn0zd 11518 . . . . . . . . . . . . . . . . . . 19 (𝐿 ∈ ℕ0 → (𝐿 + 1) ∈ ℤ)
4039adantr 480 . . . . . . . . . . . . . . . . . 18 ((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) → (𝐿 + 1) ∈ ℤ)
4140adantr 480 . . . . . . . . . . . . . . . . 17 (((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) ∧ (𝐿 + 1) ≤ 𝑁) → (𝐿 + 1) ∈ ℤ)
42 nn0z 11438 . . . . . . . . . . . . . . . . . . . 20 ((𝐿 + 𝑀) ∈ ℕ0 → (𝐿 + 𝑀) ∈ ℤ)
43423ad2ant2 1103 . . . . . . . . . . . . . . . . . . 19 ((𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀)) → (𝐿 + 𝑀) ∈ ℤ)
4443adantl 481 . . . . . . . . . . . . . . . . . 18 ((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) → (𝐿 + 𝑀) ∈ ℤ)
4544adantr 480 . . . . . . . . . . . . . . . . 17 (((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) ∧ (𝐿 + 1) ≤ 𝑁) → (𝐿 + 𝑀) ∈ ℤ)
46 elfz 12370 . . . . . . . . . . . . . . . . 17 ((𝑁 ∈ ℤ ∧ (𝐿 + 1) ∈ ℤ ∧ (𝐿 + 𝑀) ∈ ℤ) → (𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀)) ↔ ((𝐿 + 1) ≤ 𝑁𝑁 ≤ (𝐿 + 𝑀))))
4737, 41, 45, 46syl3anc 1366 . . . . . . . . . . . . . . . 16 (((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) ∧ (𝐿 + 1) ≤ 𝑁) → (𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀)) ↔ ((𝐿 + 1) ≤ 𝑁𝑁 ≤ (𝐿 + 𝑀))))
4833, 47mpbird 247 . . . . . . . . . . . . . . 15 (((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) ∧ (𝐿 + 1) ≤ 𝑁) → 𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀)))
4948ex 449 . . . . . . . . . . . . . 14 ((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) → ((𝐿 + 1) ≤ 𝑁𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀))))
5030, 49sylbird 250 . . . . . . . . . . . . 13 ((𝐿 ∈ ℕ0 ∧ (𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀))) → (¬ 𝑁𝐿𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀))))
5150ex 449 . . . . . . . . . . . 12 (𝐿 ∈ ℕ0 → ((𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀)) → (¬ 𝑁𝐿𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀)))))
5223, 51sylbir 225 . . . . . . . . . . 11 ((#‘𝐴) ∈ ℕ0 → ((𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀)) → (¬ 𝑁𝐿𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀)))))
536, 52syl 17 . . . . . . . . . 10 (𝐴 ∈ Word 𝑉 → ((𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀)) → (¬ 𝑁𝐿𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀)))))
5453adantr 480 . . . . . . . . 9 ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) → ((𝑁 ∈ ℕ0 ∧ (𝐿 + 𝑀) ∈ ℕ0𝑁 ≤ (𝐿 + 𝑀)) → (¬ 𝑁𝐿𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀)))))
5522, 54syl5bi 232 . . . . . . . 8 ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) → (𝑁 ∈ (0...(𝐿 + 𝑀)) → (¬ 𝑁𝐿𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀)))))
5655imp 444 . . . . . . 7 (((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀))) → (¬ 𝑁𝐿𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀))))
5756impcom 445 . . . . . 6 ((¬ 𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → 𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀)))
58 df-3an 1056 . . . . . 6 ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀))) ↔ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀))))
5921, 57, 58sylanbrc 699 . . . . 5 ((¬ 𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → (𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀))))
60 pfxccatpfx2.m . . . . . 6 𝑀 = (#‘𝐵)
615, 60pfxccatpfx2 41753 . . . . 5 ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉𝑁 ∈ ((𝐿 + 1)...(𝐿 + 𝑀))) → ((𝐴 ++ 𝐵) prefix 𝑁) = (𝐴 ++ (𝐵 prefix (𝑁𝐿))))
6259, 61syl 17 . . . 4 ((¬ 𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → ((𝐴 ++ 𝐵) prefix 𝑁) = (𝐴 ++ (𝐵 prefix (𝑁𝐿))))
63 iffalse 4128 . . . . 5 𝑁𝐿 → if(𝑁𝐿, (𝐴 prefix 𝑁), (𝐴 ++ (𝐵 prefix (𝑁𝐿)))) = (𝐴 ++ (𝐵 prefix (𝑁𝐿))))
6463adantr 480 . . . 4 ((¬ 𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → if(𝑁𝐿, (𝐴 prefix 𝑁), (𝐴 ++ (𝐵 prefix (𝑁𝐿)))) = (𝐴 ++ (𝐵 prefix (𝑁𝐿))))
6562, 64eqtr4d 2688 . . 3 ((¬ 𝑁𝐿 ∧ ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀)))) → ((𝐴 ++ 𝐵) prefix 𝑁) = if(𝑁𝐿, (𝐴 prefix 𝑁), (𝐴 ++ (𝐵 prefix (𝑁𝐿)))))
6620, 65pm2.61ian 848 . 2 (((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) ∧ 𝑁 ∈ (0...(𝐿 + 𝑀))) → ((𝐴 ++ 𝐵) prefix 𝑁) = if(𝑁𝐿, (𝐴 prefix 𝑁), (𝐴 ++ (𝐵 prefix (𝑁𝐿)))))
6766ex 449 1 ((𝐴 ∈ Word 𝑉𝐵 ∈ Word 𝑉) → (𝑁 ∈ (0...(𝐿 + 𝑀)) → ((𝐴 ++ 𝐵) prefix 𝑁) = if(𝑁𝐿, (𝐴 prefix 𝑁), (𝐴 ++ (𝐵 prefix (𝑁𝐿))))))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 196  wa 383  w3a 1054   = wceq 1523  wcel 2030  ifcif 4119   class class class wbr 4685  cfv 5926  (class class class)co 6690  cr 9973  0cc0 9974  1c1 9975   + caddc 9977   < clt 10112  cle 10113  cmin 10304  0cn0 11330  cz 11415  ...cfz 12364  #chash 13157  Word cword 13323   ++ cconcat 13325   prefix cpfx 41706
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1762  ax-4 1777  ax-5 1879  ax-6 1945  ax-7 1981  ax-8 2032  ax-9 2039  ax-10 2059  ax-11 2074  ax-12 2087  ax-13 2282  ax-ext 2631  ax-rep 4804  ax-sep 4814  ax-nul 4822  ax-pow 4873  ax-pr 4936  ax-un 6991  ax-cnex 10030  ax-resscn 10031  ax-1cn 10032  ax-icn 10033  ax-addcl 10034  ax-addrcl 10035  ax-mulcl 10036  ax-mulrcl 10037  ax-mulcom 10038  ax-addass 10039  ax-mulass 10040  ax-distr 10041  ax-i2m1 10042  ax-1ne0 10043  ax-1rid 10044  ax-rnegex 10045  ax-rrecex 10046  ax-cnre 10047  ax-pre-lttri 10048  ax-pre-lttrn 10049  ax-pre-ltadd 10050  ax-pre-mulgt0 10051
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1055  df-3an 1056  df-tru 1526  df-ex 1745  df-nf 1750  df-sb 1938  df-eu 2502  df-mo 2503  df-clab 2638  df-cleq 2644  df-clel 2647  df-nfc 2782  df-ne 2824  df-nel 2927  df-ral 2946  df-rex 2947  df-reu 2948  df-rab 2950  df-v 3233  df-sbc 3469  df-csb 3567  df-dif 3610  df-un 3612  df-in 3614  df-ss 3621  df-pss 3623  df-nul 3949  df-if 4120  df-pw 4193  df-sn 4211  df-pr 4213  df-tp 4215  df-op 4217  df-uni 4469  df-int 4508  df-iun 4554  df-br 4686  df-opab 4746  df-mpt 4763  df-tr 4786  df-id 5053  df-eprel 5058  df-po 5064  df-so 5065  df-fr 5102  df-we 5104  df-xp 5149  df-rel 5150  df-cnv 5151  df-co 5152  df-dm 5153  df-rn 5154  df-res 5155  df-ima 5156  df-pred 5718  df-ord 5764  df-on 5765  df-lim 5766  df-suc 5767  df-iota 5889  df-fun 5928  df-fn 5929  df-f 5930  df-f1 5931  df-fo 5932  df-f1o 5933  df-fv 5934  df-riota 6651  df-ov 6693  df-oprab 6694  df-mpt2 6695  df-om 7108  df-1st 7210  df-2nd 7211  df-wrecs 7452  df-recs 7513  df-rdg 7551  df-1o 7605  df-oadd 7609  df-er 7787  df-en 7998  df-dom 7999  df-sdom 8000  df-fin 8001  df-card 8803  df-pnf 10114  df-mnf 10115  df-xr 10116  df-ltxr 10117  df-le 10118  df-sub 10306  df-neg 10307  df-nn 11059  df-n0 11331  df-z 11416  df-uz 11726  df-fz 12365  df-fzo 12505  df-hash 13158  df-word 13331  df-concat 13333  df-substr 13335  df-pfx 41707
This theorem is referenced by: (None)
  Copyright terms: Public domain W3C validator