Nɛy kɔ̱kiɛn tin ŋäth thuɔ̱k(formalists) ɛmɔ,ce̱tkɛ Rudolp Karnap, Alpi̱rëd Tari̱thki, kɛnɛ Ɣai̱thkell Kurry,käpkɛn mathematickni̱ kɛ ɣöö ba go̱r ɛn la̱t in lät kɛɛ adhi̱öm.