Description: A positive real number is a complex number not being 0. (Contributed by AV, 29-May-2020)
Ref | Expression | ||
---|---|---|---|
Assertion | rpcndif0 | ⊢ ( 𝐴 ∈ ℝ+ → 𝐴 ∈ ( ℂ ∖ { 0 } ) ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rpcnne0 | ⊢ ( 𝐴 ∈ ℝ+ → ( 𝐴 ∈ ℂ ∧ 𝐴 ≠ 0 ) ) | |
2 | eldifsn | ⊢ ( 𝐴 ∈ ( ℂ ∖ { 0 } ) ↔ ( 𝐴 ∈ ℂ ∧ 𝐴 ≠ 0 ) ) | |
3 | 1 2 | sylibr | ⊢ ( 𝐴 ∈ ℝ+ → 𝐴 ∈ ( ℂ ∖ { 0 } ) ) |