Database
REAL AND COMPLEX NUMBERS
Words over a set
Longer string literals
s8cli
Next ⟩
s2fv0
Metamath Proof Explorer
Ascii
Unicode
Theorem
s8cli
Description:
A length 8 string is a word.
(Contributed by
Mario Carneiro
, 26-Feb-2016)
Ref
Expression
Assertion
s8cli
⊢
⟨“
A
B
C
D
E
F
G
H
”⟩
∈
Word
V
Proof
Step
Hyp
Ref
Expression
1
df-s8
⊢
⟨“
A
B
C
D
E
F
G
H
”⟩
=
⟨“
A
B
C
D
E
F
G
”⟩
++
⟨“
H
”⟩
2
s7cli
⊢
⟨“
A
B
C
D
E
F
G
”⟩
∈
Word
V
3
1
2
cats1cli
⊢
⟨“
A
B
C
D
E
F
G
H
”⟩
∈
Word
V