When you say "blocked goals" do you mean it like: These: https://sicstus.sics.se/sicstus/docs/latest4/html/sicstus.html/mpg_002dref_002dwhen.html#mpg_002dref_

When you say "blocked goals" do you mean it like: These: https://sicstus.sics.se/sicstus/docs/latest4/html/sicstus.html/mpg_002dref_002dwhen.html#mpg_002dref_002dwhen https://sicstus.sics.se/sicstus/docs/latest4/html/sicstus.ht... https://sicstus.sics.se/sicstus/docs/4.0.7/html/sicstus/Block-Declarations.html https://sicstus.sics.se/sicstus/docs/4.0.7/html/sicstus/Bloc...