Correspondence

letter collective note application reciprocal fidelity loc bank paper character encoding letterhead about axis match cut savingram homology relation morphopsychology parallelism correspondences symmetry cogalois open university corresponding distance learning lexical correspondence mapping matchingness v mail equivalent uncountable correspondent homologous homoplasy heterology epistolary coincidence uncountably somatotopy biunique galois connection hate mail curry howard correspondence synchronistic noncorrespondence penfriend match incorrespondence isomorphic consistency bijection countably letter of comment discussion accommodate note writing reply talk interview