What are the rules governing this court in determining the sufficiency of evidence?

Questions of fact were presented to the trial court. The judge resolved those questions and the rules governing this court with reference to any contention of insufficiency of the evidence, under the circumstances, are fully set forth in Brewer v. Simpson, 53 Cal.2d 567, 583-584, 2 Cal.Rptr. 609, 349 P.2d 289. See also C. F. Bolster Co. v. J. C. Boespflug, etc., Co., 167 Cal.App.2d 143, 152, 334 P.2d 247; Miller v. Brown, 136 Cal.App.2d 763, 775, 289 P.2d 572.

[196 Cal.App.2d 55] Several cases have stated the rules which govern this court in matters of similar nature. In Christian v. Christian, 183 Cal.App.2d 720, 721-722, 7 Cal.Rptr. 154, 155, after stating that the sufficiency of the evidence cannot be reviewed, the court said: