Deductions
- planned language has quality mathematical model ⇐ (planned language is subclass of artificial language), (artificial language has quality mathematical model)
- constructed language has quality mathematical model ⇐ (statistical model is subclass of mathematical model), (constructed language has quality statistical model)
- language has quality mathematical model ⇐ (statistical model is subclass of mathematical model), (language has quality statistical model)
- artificial language has quality mathematical model ⇐ (statistical model is subclass of mathematical model), (artificial language has quality statistical model)
- natural language has quality mathematical model ⇐ (statistical model is subclass of mathematical model), (natural language has quality statistical model)
- English has quality mathematical model ⇐ (statistical model is subclass of mathematical model), (English has quality statistical model)
- Welsh has quality mathematical model ⇐ (statistical model is subclass of mathematical model), (Welsh has quality statistical model)
- Czech has quality mathematical model ⇐ (statistical model is subclass of mathematical model), (Czech has quality statistical model)
- general term is for example mathematical model ⇐ (mathematical model is a general term), (is a is inverse of is for example)
- physical phenomenon is subclass of mathematical model ⇐ (simulation is subclass of mathematical model), (simulation is opposite of physical phenomenon)