eng Ansari Education and Research Society Journal of Ultra Scientist of Physical Sciences December 2025 37 7 71 80 http://dx.doi.org/10.22147/jusps-B/370701 1550 article Product Fuzzy Syntopogenous Spaces and Fuzzy syntopogenous structure MD. ARSHADUZZAMAN 1 Department of Mathematics G.B. College, Naugachia, Bhagalpur, Bihar (INDIA) <p style="text-align:justify">The present paper deals with semi-topogenous order, Fuzzy-semi-topogenous order, perfect and biperfect fuzzy semi-topogenous order, inverse image of Fuzzy Semi-topogenous order and inverse image of fuzzy syntopogenous structure, continuity &amp; some interesting results on product fuzzy syntopogenous spaces.</p> https://ultraphysicalsciences.org/paper/1550/ Fuzzy semi-topogenous order perfect, biperfect fuzzy semi-topogenous structure