In 1939, Liévano Aguirre studied Philosophy and Letters at the Colegio Mayor de San Bartolomé and went on to receive a degree in law at the Pontificia Universidad Javeriana, graduating in 1944.
Liévano Aguirre attended studies in Philosophy and Letters at the Colegio Mayor de San Bartolomé in 1939 and then obtained a law degree from the Pontificia Universidad Javeriana, graduating in 1944.