Published On Nov 11, 2023
first in a new series from dr z on the killarneyguy channel:
dr z explains - the axiom of replacement
he celebrates his 10th birthday tomorrow!
here is a short introduction by professor z:
• dr z as math professor
and go to:
• dr z science minute - how to use an o...
to see an example of his many
“dr z science minutes”
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