I don't argue with the Rock typology. How could I -- it makes the naming of Peter so much more significant.
However, among the translations the Septuagint has a special place, as it is the evidence of the Jewish Scripture at the time of Christ, and prior to the Council of Jamnia.
Actually, these days we can go to the Dead Sea Scrolls for that. The LXX is useful the same way the Targums are useful--the translation choices give us an idea of what the rabbis before the time of Yeshua believed about numerous verses. But it's hardly a sacred translation any more than the KJV is, and there are numerous places where the Apostles did their own translations of the Tanakh (OT) into Greek for their quotes rather than rely on the Septuagint.
it makes the naming of Peter so much more significant.
= = = =
Uhhhh, no, it pulls the rugh out from under it.
The pebble has no suitable comparable standing with any shred of merit to warrant any greater keys to The Kingdom than anyone else with the sort of Faith Holy Spirit infects all believers with.
A leveling statement and interpretation is not a foundation for lofting one Apostle above all others.
Kind of like saying that equal voting rights are the justification for only a black male Pentecostal between the ages of 35 and 45 from Arizona has a right to be President.