[murphE]

we have the dogmatic fact of St. Josemaria's canonization to prove that these witnesses were either lying or sadly mistaken.

What are you saying here? "Dogmatic fact of St. Josemaria's canonization"?

[gbcdoj]

Canonization is an infallible definition, since it binds the universal Church to honor a man as a Saint. This is what St. Thomas says and it is the unanimous opinion of theologians according to Cardinal Journet.

In honor of the Blessed Trinity, for the exaltation of the Catholic Faith and the growth of Christian life, with the authority of Our Lord Jesus Christ, of the Blessed Apostles Peter and Paul, and Our Own, after lengthy reflection, having assiduously invoked God's assistance and taken into account the opinion of many brothers of ours in the episcopate, we declare and define Blessed Josemaria Escriva to be a Saint, and we enroll him in the Catalogue of the Saints, and we establish that in the whole Church he should be devoutly honored among the Saints.  In the name of the Father and of the Son and of the Holy Spirit. Amen.

Obviously this is an infallible act: consult the Constitution of Vatican I and you will note that all the requisite "ex cathedra" conditions are fulfilled.