Can two isothermal curves intersect each other?

Why do two isothermal curves not intersect each other?

Assertion: The isothermal curves intersect each other at a certain point. Reason: The isothermal changes takes place rapidly, so the isothermal curves have very little slope.

Assertion: The isothermal curves intersect each other at a certain point. Reason: The isothermal changes takes place rapidly, so the isothermal curves have very little slope.

Assertion: The isothermal curves intersect each other at a certain point. Reason: The isothermal changes takes place rapidly, so the isothermal curves have very little slope.

Can two isothermal curves cut each other