Revivial: execute will 2 which revoked will 1; will 2 is lost; is will 1 valid? intent view (CA, UPC) - try to determine intent of testator first there is a presumption of NO revival can introduce evidence to the contrary depending on how will 2 was revoked physical revocaion of will 2 - any type of evidence can be used (testimony or subsequent revocations) if will 2 revoked by will 3 - only place to look for evidence of revival is will 3