For Complete Ritz Sequence Continuous Functional approaches its Minimal Value

Let $ J $ be a continuous functional.

Let $ \{ { \phi_n } \} $ be a complete Ritz sequence.

Then:


 * $ \displaystyle \lim_{ n \to \infty } \mu_n = \mu $

where $ \displaystyle \mu = \inf_y J \left [ { y } \right ] $