I thought it was “gnostic P-ism” : “P, and I know (or am rather unlikely to be incorrect) in believing that P”, “agnostic P-ism” : “I think that P, but idk, may

I thought it was “gnostic P-ism” : “P, and I know (or am rather unlikely to be incorrect) in believing that P”, “agnostic P-ism” : “I think that P, but idk, maybe not P, who can say?” ? Is that not it?