Platon
Katotohanan
Kaalaman
René_Descartes
John_Locke
Epistemolohiya
Pamamaraang_makaagham
Immanuel_Kant
Ptolomeo
Karanasan
Pangangatuwiran_(epistemolohiya)
Milagro
Teoryang_makaagham
David_Hume
Banal
Realismo
Paniniwala
Pagmamalas
Himagsikang_Pang-agham
Pilosopiya_ng_agham
Søren_Kierkegaard
Agnostisismo
Kritikal_na_pag-iisip
Optimismo
Epikureismo
Bertrand_Russell
Pakiramdam
Ludwig_Wittgenstein
Humanismo
Logos
Dogma
Paradigma
Pragmatismo
Positibismong_lohikal
Araling_pangkomunikasyon
Pierre_Gassendi
Teoryang_Dempster-Shafer
Xenophanes
Kakayahang_mapasinungalingan
Empirikal_na_pananaliksik
Empirikal_na_ebidensya
Utak_sa_isang_tangke
Metateoriya
Extraordinary_claims_require_extraordinary_evidence
Gilbert_Harman