[Diamond]

...This Encyclopedia article gives extensive proof of from Church Fathers and Scripture for Church and Papal infallibility:

http://www.newadvent.org/cathen/07790a.htm...

...Ex cathedra criterion has been applied since the beginning of the Church. The popes have always had the last word when speaking ex cathedra and that word was law...

Von Dollinger refuted this latter Neo-Roman contention and many others like it in 1870:

Chapter III - Papal Infallibility

For particular refutations see:
Section 5, p. 63 et seq. - The Ancient Constitution of the Church
and
Section 6, p.70 et seq - The Teachings of the Fathers

Honorius passively approved heresy that originated from somebody else,

The words of the Council already quoted twice give lie to the claim that Honorius "passively" approved heresy:

Session XVIII: But as the author of evil, who, in the beginning, availed himself of the aid of the serpent, and by it brought the poison of death upon the human race, has not desisted, but in like manner now, having found suitable instruments for working out his will we mean Theodorus, who was bishop of Pharan, Sergius, Pyrrhus...and moreover, Honorius, who was Pope of the elder Rome...), has actively employed them in raising up for the whole Church the stumbling blocks of one will and one operation in the two natures of Christ our true God, one of the Holy Trinity; thus disseminating, in novel terms, amongst the orthodox people, an heresy similar to the mad and wicked doctrine of the impious Apollinaris

Do you actually read any of the documentary evidence that is posted?

Cordially,

[Belteshazzar]

Diamond asked:
“Do you actually read any of the documentary evidence that is posted?”

The use of talking points makes reading unnecessary, even as it makes listening unnecessary on the cable news channels that put forth talking heads that simply shout talking points at each other.

[mas cerveza por favor]

Honorius, who was Pope of the elder Rome...), has actively employed them in raising up for the whole Church the stumbling blocks

I did not find this council statement at any of your links. Where did you get it?

[mas cerveza por favor]

Honorius passively approved heresy that originated from somebody else,
The words of the Council already quoted twice give lie to the claim that Honorius "passively" approved heresy:

Do you actually read any of the documentary evidence that is posted?

LOL. Do you actually read any of your documentary evidence before you post it? Your mangled and ellipsed quote of the counsel statement creates that false impression that Honorius actively promoted heresy. Here is your quote:

But as the author of evil, who, in the beginning, availed himself of the aid of the serpent, and by it brought the poison of death upon the human race, has not desisted, but in like manner now, having found suitable instruments for working out his will we mean Theodorus, who was bishop of Pharan, Sergius, Pyrrhus...and moreover, Honorius, who was Pope of the elder Rome...), has actively employed them in raising up for the whole Church the stumbling blocks

Here is the quote without ellipses and with the missing left parentheses restored:

But as the author of evil, who, in the beginning, availed himself of the aid of the serpent, and by it brought the poison of death upon the human race, has not desisted, but in like manner now, having found suitable instruments for working out his will (we mean Theodorus, who was Bishop of Pharan, Sergius, Pyrrhus, Paul and Peter, who were Archbishops of this royal city, and moreover, Honorius who was Pope of the elder Rome, Cyrus Bishop of Alexandria, Macarius who was lately bishop of Antioch, and Stephen his disciple), has actively employed them in raising up for the whole Church the stumbling-blocks

Now it should be obvious it was the author of evil (Devil), not Honorius, who the council says had actively employed nine named individuals, including the passive Honorius. Of course the old pope from fifty years ago who was no longer around to defend himself.