1. A note on congruence kernels in ortholattices Creator: Chajda, Ivan Format: bez média and svazek Type: model:article and TEXT Subject: ortholattice, congruence, kernel, and ideal Language: English Description: We characterize ideals of ortholattices which are congruence kernels. We show that every congruence class determines a kernel. Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public