A Common Sense about the Quadrature of A Circle

[Aiviet Nguyen <aiviet@cat.syr.edu>]

Hi Anh Sonnet et al,

  Ne^'u na(m 91 mo+'i kha'm pha' ra ba`i na`y thi` kho^ng chu+`ng la.i 
che'p tro^m cu?a cu. Tri' ua^?n ro^`i. Hy vo.ng kho^ng pha?i la` anh. 
Co`n ne^'u lo+~ pha?i thi` ddu+ng bao gio+` ra u+'ng cu+? hie^.u tru+o+ng 
nghe.

  Ho^m nay to^i xin cung hie^'n mo^.t lo+`i gia?i "cu? chuo^'i" cho ba`i 
Toa'n anh dda(.t ra.

  Tru+o+'c he^'t ba`i Toa'n pha't bie^?u nhu+ anh Sonnet ma` cha(?ng 
gio+'i ha.n phu+o+ng tie^.n thi` lo+`i gia?i cu?a Anh Minh la` ddu'ng la('m,
hay la` pha' ddai thu`ng ga'nh nu+o+'c cu?a cu. Tri' Ua^?n la` ddu+o+.c.

  Nay to^i "chu+'ng minh" kho^ng the^? ca^`u phu+o+ng ddu+o+.c du+.a 
tre^n mo^.t Lu+o+ng Tri: " DDi.nh Lua^.t Ba?o toa`n Lo^`i". Theo Common 
Sense ma` no'i thi` khi anh ca('t the^' na`o thi` Cong Lo^`i va` Cong 
lo~m cu~ng Trie^.t tie^u. DDu+o+`ng Tro`n co' Toa`n Cong Lo^`i ma` Hinh 
Vuo^ng thi` kho^ng co' ti' na`o Cong ca?.( Q.E.D.)
  Ta^'t nhie^n ca'c vi. Toa'n ho.c co' the^? ti`m kie^'m ra thua^.t Toa'n 
vo^ ha.n na`o ddo' dde^? ly' lua^.n cu?a Lu+o+ng Tri tha`nh le^'u la'o.
Nhu+ng theo to^i mo^.t thua^.t Toa'n ma` ca^`n dde^'n vo^ ha.n operation 
thi` xem nhu+ ba`i Toa'n va^~n la` chu+a gia?i ddu+o+.c.
Vi` va^.y Hu? ly' lua^.n to^i kho^ng hie^?u sao la.i co' kho^'i ke? to^'n 
gia^'y mu+.c dde^? ti`m lo+`i gia?i hay dde^? chu+'ng minh ba`i na`y 
kho^ng co' lo+`i gia?i nhi?

  Xin mo+`i ti`m ra cho^~ sai cu?a Common Sense. Va`i ha`ng tho^ la^.u.

Cheers
Aiviet