Beheimah Shehorah Bo Chacham / בהמה שהורה בו חכם:

• Sevara vs. Mesorah;
• Bitul;
• Who;
• Applications.

See seforim by Rabbi Cohen at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.kashrushalacha.com⁠