Similar to 逆非含意

Material nonimplication

Einstein notation

1 + 1 + 1 + 1 + ⋯

1/2 + 1/4 + 1/8 + 1/16 + ⋯

1/2 − 1/4 + 1/8 − 1/16 + ⋯

1/4 + 1/16 + 1/64 + 1/256 + ⋯

Square root of 7

Hundredth

Abc conjecture

Bulletin de la Société Mathématique de France

Messenger of Mathematics

Homotopical connectivity

P-adic Teichmüller theory

P-adic quantum mechanics

P versus NP problem

Scripta Mathematica

Abel–Ruffini theorem

5th Infantry Division (Vietnam)

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