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Arithmetic theorems
8rp
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9rp
Metamath Proof Explorer
Ascii
Structured
Theorem
8rp
Description:
8 is a positive real.
(Contributed by
SN
, 26-Aug-2025)
Ref
Expression
Assertion
8rp
⊢
8 ∈ ℝ
+
Proof
Step
Hyp
Ref
Expression
1
8re
⊢
8 ∈ ℝ
2
8pos
⊢
0 < 8
3
1
2
elrpii
⊢
8 ∈ ℝ
+