- 有条有理 yǒutiáoyǒulǐ orderlyclear and orderly; neat and tidy
- 有理数 yǒulǐshù rational numberrational number (i.e. fraction of two integers, math.)
- 有理式 yǒulǐshì rational expressionrational expression (math.)
- 公说公有理，婆说婆有理 gōngshuōgōngyǒulǐ, póshuōpóyǒulǐ conflicting claimsboth sides claim they're right
- 有理数域 yǒulǐshùyù rational fieldfield of rational numbers (math.), usually denoted by Q
- 有理数集 yǒulǐshùjí set of rationalsthe set of rational numbers (math.)
