​Letter 2018

​Letter

1. Letter to O. again.  2 January 2018
​    vide: At the campus of university  Abstract from The letter to O. again
2. Letter to Y. Toward geometrization of language    8 January 2018
3. Letter to Y. Of Broad Language 4th Edition . 5 February 2018
4. Letter to the library  Short autobiography between 1969 and 1986. 19 May 2018
​​    vide:  At the lawn terrace before library

Tokyo
14 June 2018
Sekinan Zoho