k→∞
dxnk−1, xmk−1 . 2.12
Setting x xmk−1 and y xnk−1 in 2.1 and using 2.7, we obtain
ψ ≤ ψdxmk, xnk ≤ ψdxmk−1, xnk−1 − φdxmk−1, xnk−1. 2.13
Letting k→∞, utilising 2.10 and 2.12, we obtain
ψ ≤ ψ − Φ, 2.14
k→∞dxnk−1, xmk−1 . 2.12Setting x xmk−1 and y xnk−1 in 2.1 and using 2.7, we obtainψ ≤ ψdxmk, xnk ≤ ψdxmk−1, xnk−1 − φdxmk−1, xnk−1. 2.13Letting k→∞, utilising 2.10 and 2.12, we obtainψ ≤ ψ − Φ, 2.14
การแปล กรุณารอสักครู่..