Journal profile · Arts and Humanities-Philosophy
Principia
ISSN 1414-4247 · eISSN 1808-1711 · Universidade Federal de Santa Catarina · Brazil
Principia: diamond open access (no APC); no APC; review about 18 weeks (community reports); 33 articles in 2025; indexed in Scopus.
Scope
Aims, scope and focus
Principia is published by Universidade Federal de Santa Catarina. By OpenAlex counts of its recent articles, its largest topics are Epistemology, Ethics, and Metaphysics, Philosophy and Theoretical Science and Philosophy, Science, and History, together about 53.2% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
"Principia: an international journal of epistemology" was founded in 1997 and regularly publishes articles, discussions and book reviews. The journal aims at publishing original scholarly work on epistemology, broadly conceived including theory of knowledge, philosophy of science, philosophy of language, philosophy of mind, philosophy of logic, metaphysics, and other related topics, with an emphasis on the analytic approach and on the Modern and Contemporary periods. Papers can be submitted in English, Portuguese or Spanish.
From the journal's Aims & Scope
Research area (LetPub): Arts and Humanities-Philosophy
Editorial board by country: none in mainland China; most named Brazil 4, United Kingdom 1 (5 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Epistemology, Ethics, and MetaphysicsArts and Humanities21%
- Philosophy and Theoretical SciencePsychology16.7%
- Philosophy, Science, and HistoryArts and Humanities15.4%
- Philosophy and History of ScienceArts and Humanities13.2%
- Logic, Reasoning, and KnowledgeComputer Science8.1%
- Feminist Epistemology and Gender StudiesSocial Sciences3.2%
- Philosophical Ethics and TheoryArts and Humanities2.7%
- Advanced Algebra and LogicComputer Science2.6%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Not covered
Not covered by this edition.
CAS Xinrui Journal Ranking (March 2026)Not covered
Not covered by this edition.
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
CiteScore quartiles (Scopus, June 2026 release)
| Subject | Quartile | Rank | Percentile |
|---|---|---|---|
| Philosophy | Q3 | 350/644 | 45th |
| History and Philosophy of Science | Q4 | 129/166 | 22nd |
Scopus ranks journals by CiteScore within each subject: the 75th percentile and above is Q1, then a quartile every 25 points. A different system from the CAS zones.LetPub
Database indexing
ScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
OCLC, Latindex, Crossref, Sherpa Romeo, Academic Journal Database, Virtual Science Library, ProQuest, Index Copernicus, Dialnet, The Philosopher's Index, Sumários.org, Capes journalsPublisher website
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- CiteScore 2026-06
- 0.3LetPub ·
- SJR 2026-06
- 0.18LetPub ·
- SNIP 2026-06
- 0.64LetPub ·
- h-index
- 12OpenAlex ·
- i10-index
- 15OpenAlex ·
- 2-year mean citedness
- 0.27OpenAlex ·
- Share of gold OA articles
- 0%LetPub ·
Articles by year OpenAlex count · 540 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 37 | 37 | 46 |
| 2025 | 33 | 33 | 88 |
| 2024 | 42 | 42 | 48 |
| 2023 | 29 | 29 | 92 |
| 2022 | 32 | 32 | 75 |
| 2021 | 31 | 31 | 71 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- about 18 weeksLetPub ·
- Submission to publication (journal-reported)
- about 18 weeksDOAJ ·
- Peer review
- Double anonymous peer reviewDOAJ
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Diamond open access (no APC)DOAJ
Every article is open access and authors pay no article processing charge.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | No APC | No | CC BY-NC-ND | |
| LetPub | No APC | No | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
What to prepare6 items from the author guidelines
- Abstract
- ≤ 250 words
- Keywords
- ≥ 4
- Manuscript length
- ≤ 12,000 words
- Reference style
- Author–date
- First submission
- Free format: the journal's layout is not required
- Cover letter
- Required
Policy excerpts from the journal's websiteLicense & copyright, Peer review
- License & copyright Copyright Notice
Principia http://www.periodicos.ufsc.br/index.php/principia/index is licenced under a Creative Commons - Attribution-NonCommercial-NoDerivatives 4.0 International. Base available in www.periodicos.ufsc.br.
Source ↗Publisher website ·- Peer review Peer Review Process
Papers submitted to the journal Principia are first evaluated by the Editorial Team. This first stage takes usually between one and three months. If judged appropriate to the scope of the journal, papers will be sent to two referees in the double-blind peer-review system. If a paper receives contradictory recommendations, it shall be subjected to a third reviewer. Based on the reviewers’ reports, …
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Universidade Federal de Santa Catarina
- Country or region
- Brazil
- Language
- English, French, Portuguese, Spanish
- ISSN
- 1414-4247
- Electronic ISSN
- 1808-1711
- Latest issue on the website
- Volume 30, Issue 2 (2026)
- Official links
FAQ
Frequently asked questions about Principia
How long does peer review take at Principia?
Authors report an average review time of about 18 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
What are the manuscript requirements of Principia?
According to the journal's author guidelines: Abstract: ≤ 250 words; Keywords: ≥ 4; Manuscript length: ≤ 12,000 words; Reference style: Author–date; First submission: Free format: the journal's layout is not required; Cover letter: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Where are the editorial board members of Principia based?
Of the 5 board members whose country the journal's board page names, none are in mainland China; the countries named most often are Brazil (4) and United Kingdom (1). Counted from the institutions listed on the board page; for reference only.
Which databases index Principia?
According to LetPub and DOAJ records, Principia is indexed in Scopus and DOAJ.
Is Principia open access, and what is the APC?
Principia is a diamond open-access journal (no APC). It charges no article processing charge.
Sources and updates
The facts on this page come from LetPub, OpenAlex, DOAJ, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .