Developer, architect, and AI researcher with 19+ years of active programming experience; author and creator of the Fi1osof project ecosystem.

fi1osof.ru home — an editorial entry point into current practical work: complex projects, AI implementation, legacy, discovered problems, case studies, and fresh conclusions.

Why pronunciation cannot be left to random browser TTS, how to build an audio dictionary and verify quality with a native speaker.

Tôi, bạn, anh, chị, em and kinship terms as a social system of address.

The main structural principles of Vietnamese grammar without morphological overload.

Combinatorial learning: words as building blocks, phrase patterns, questions, negations, and early improvisation.

A teaching methodology through a primary primer, familiar meanings, spiral returns, and conscious explanation of the rules for using the course.

Differences in tones, consonants, and lexical realizations between regions of Vietnam.

Onset, medial, nucleus, coda, tone, main diphthongs, triphthongs, and spelling variants.

How a tone relates to a syllable, how it is written on a vowel, and how it changes lexical meaning.

Vowels, consonants, finals, articulatory features, and differences that are critical for understanding and pronunciation.

Letters of the Vietnamese alphabet, differences from the English Latin alphabet, special letters, and basic rules for recording sounds.