Database
REAL AND COMPLEX NUMBERS
Integer sets
Decimal representation of numbers
2ne0
Next ⟩
3pos
Metamath Proof Explorer
Ascii
Structured
Theorem
2ne0
Description:
The number 2 is nonzero.
(Contributed by
NM
, 9-Nov-2007)
Ref
Expression
Assertion
2ne0
⊢
2 ≠ 0
Proof
Step
Hyp
Ref
Expression
1
2re
⊢
2 ∈ ℝ
2
2pos
⊢
0 < 2
3
1
2
gt0ne0ii
⊢
2 ≠ 0