Inter-universal Teichmuller Theory I
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・Slightly modified the final portion of the first sentence of \S I1

・Added a new sentence to the beginning of the second paragraph of \S I1

・Corrected misprints concerning indefinite articles preceding the letter "F" ("a F..." ---> "an F...", 7 instances)

・Updated the Acknowledgements

・Slightly modified the discussion of "Numbers" in \S 0


Inter-universal Teichmuller Theory II
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・Corrected misprints concerning indefinite articles preceding the letter "F" ("a F..." ---> "an F...", 3 instances)

・Corrected misprints involving "(*)" in the final portion of Remark 1.11.4, (ii) (4 instances)

・Slightly modified the phraseology concerning "isomorphisms" in the discussions immediately preceding and at the
　beginning of Corollary 2.9


Inter-universal Teichmuller Theory III
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・Corrected misspellings of the word ``rigidity'' (i.e., ``ridigity'': 2 instances).

・Slightly modified the wording of the final portion of the statement of Theorem B and Corollary 3.12

・Updated the Acknowledgements