In this paper, a fuzzy Petri net approach to modeling fuzzy rule-based reasoning is proposed to bring together the possibilistic entailment and the fuzzy reasoning to handle uncertain and imprecise information. The three key components in our fuzzy rule-based reasoning-fuzzy propositions, truth-qualified fuzzy rules, and truth-qualified fuzzy facts-can be formulated as fuzzy places, uncertain t...

Grammar instruction remains a contentious issue in the field of teaching and teacher education. It is generally agreed that attention to grammatical form necessary beneficial, but research still needed on some grammar-related issues. Because learners' mastery grammar key language proficiency, it essential examine teachers' attitudes towards instruction, valid measurement instrument required. As...