Skip to main content

thirdanswer

Neutrosophic logic toolkit — evaluate AI uncertainty and perform statistics beyond classical limits, using three independent dimensions: T (Truth), I (Indeterminacy), F (Falsity).

Based on "The Third Answer" by Leyva-Vazquez & Smarandache (2026) and Neutrosophic Statistics (Smarandache, 2022).

What this library does that others cannot

Capability Classical stats Interval stats thirdanswer
Represent support AND opposition simultaneously No No Yes (T and F independent)
Detect paraconsistency (T+F > 1) No (P+Q=1) No Yes
Distinguish "no data" from "conflicting data" No (both P=0.5) No Yes (Ignorance vs Contradiction)
Classify into 4 epistemic zones with actions No No Yes
Partial sample membership (degree 0.6) No (binary) No Yes
Reduce uncertainty by algebraic cancellation N/A No (always grows) Yes
Evaluate AI text for hallucinations with T,I,F N/A N/A Yes

Install

pip install thirdanswer

For LLM analysis (free via Groq):

pip install thirdanswer[groq]

Part 1: Epistemic Compass (no LLM needed)

from thirdanswer import Compass

c = Compass(T=0.7, I=0.4, F=0.5)
c.zone              # "contradiction"
c.confidence        # 0.0
c.is_paraconsistent # True (T+F=1.2 > 1)
c.zone_action       # "Investigate both sides..."

Part 2: AI Text Analysis (with Groq, free)

from thirdanswer import analyze, ask, compare

# Analyze any text
r = analyze("Coffee is good for health", provider="groq", api_key="gsk_...")
r.zone       # "contradiction"
r.label()    # Epistemic Nutrition Label

# Ask honest questions
r = ask("Is fasting healthy?", provider="groq", api_key="gsk_...")
r.what_i_dont_know  # "Long-term effects..."

# Compare two AI responses
diff = compare(response_a, response_b, provider="groq", api_key="gsk_...")
diff.more_honest    # "a" or "b"

Part 3: Neutrosophic Statistics (v0.3.0)

Operations that classical and interval statistics cannot do.

Neutrosophic Numbers (algebraic indeterminacy)

from thirdanswer import NeutrosophicNumber, compare_uncertainty

N1 = NeutrosophicNumber(4, 2)   # 4 + 2I
N2 = NeutrosophicNumber(4, -2)  # 4 - 2I

# Average: neutrosophic cancels indeterminacy, intervals cannot
r = compare_uncertainty(N1, N2, "avg")
r["ns_uncertainty"]   # 0.0  (perfect cancellation!)
r["is_uncertainty"]   # 2.0  (intervals always grow)

# Product: NS is 4x more precise
r = compare_uncertainty(N1, N2, "mul")
r["ns_uncertainty"]   # 4
r["is_uncertainty"]   # 16

Partial Membership Samples

from thirdanswer import NeutrosophicSample, SampleElement

# Some students only partially belong to the cohort
sample = NeutrosophicSample([
    SampleElement(85, 1.0),   # full-time student
    SampleElement(72, 0.6),   # part-time
    SampleElement(65, 0.3),   # occasional attendee
])
sample.classical_mean()      # 74.0 (treats all equally)
sample.neutrosophic_mean()   # 78.7 (weights by membership — more accurate)

Hesitant Sets (discrete, not interval)

from thirdanswer import HesitantSet

# "The value might be 0.4, 7.9, or 41.5"
hs = HesitantSet([0.4, 7.9, 41.5])
hs.as_interval            # (0.4, 41.5) — uncertainty = 41.1
hs.mean                   # 16.6 — only 3 actual possibilities, not infinite

Head-to-Head: Same P, Different Realities

from thirdanswer import case_study_drug_efficacy

results = case_study_drug_efficacy()
# 4 drugs, ALL with P=0.55
# Classical: says "Support" for all 4 (accuracy: 0%)
# Neutrosophic: 4 different zones, 4 different actions (accuracy: 100%)
#   Drug A → Consensus (proceed)
#   Drug B → Ambiguity (need more data)
#   Drug C → Contradiction (studies disagree)
#   Drug D → Ignorance (no signal)

Monte Carlo Proof

from thirdanswer import monte_carlo_uncertainty

results = monte_carlo_uncertainty(n_trials=1000, seed=42)
# Addition:  NS wins 54.2%, IS wins 2.9%
# Multiply:  NS wins 68.4%, IS wins 9.1%
# NS is 1.38-1.54x more precise on average

Run All Experiments

from thirdanswer import run_all_experiments

all_results = run_all_experiments(seed=42)
# 6 experiments, fully reproducible, seeded

The Four Zones

Zone Condition Action
Consensus T high, I low, F low Trust
Ambiguity I high Investigate
Contradiction T high AND F high Explore both sides
Ignorance All low Stop

Providers

Provider Cost Install
Groq Free (~30 req/min) pip install thirdanswer[groq]
Ollama Free (local) ollama.com

Compass and all neutrostats functions work without any provider — pure logic.

Links

Citation

@software{thirdanswer,
  author = {Leyva-Vazquez, Maikel Y. and Smarandache, Florentin},
  title = {thirdanswer: Neutrosophic logic toolkit for AI uncertainty and statistics},
  year = {2026},
  url = {https://github.com/mleyvaz/thirdanswer}
}

License

MIT

Release files for thirdanswer 0.3.0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for thirdanswer 0.3.0
File Size Uploaded
thirdanswer-0.3.0.tar.gz 21.4 kB Details

Built distribution (wheel)

Table of built distributions (wheels) for thirdanswer 0.3.0
File Interpreter ABI Platform
thirdanswer-0.3.0-py3-none-any.whl Python 3 none any Details

Total release size: 45.2 kB

Release files / thirdanswer-0.3.0.tar.gz

Download URL thirdanswer-0.3.0.tar.gz
Size 21.4 kB
Tags Source
SHA-256 checksum
How to use checksums
eabd02083d26b34e09f2ddafb92e8da8f4063216e24a8b92d7a6afdf664b96e9
BLAKE2b-256 checksum
How to use checksums
d5bd6065c34b4c8b258857a51084ee02a99bc93232041fcd14ed4c09ff0e38af
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
No
Uploaded via twine/6.2.0 CPython/3.14.3

Release files / thirdanswer-0.3.0-py3-none-any.whl

Download URL thirdanswer-0.3.0-py3-none-any.whl
Size 23.8 kB
Tags Python 3
SHA-256 checksum
How to use checksums
341737008166e399fbddb6a624aefdc6325a41db7a54aebdb8e7affa856b5318
BLAKE2b-256 checksum
How to use checksums
f3d9570650675cce92c1320a692759e20dc7f1ce32ceca37ed14afafec560057
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
No
Uploaded via twine/6.2.0 CPython/3.14.3

Release history Release notifications | RSS feed

This release

0.3.0 This release

2 release files

0.1.0

2 release files

Anthropic, PBC Visionary sponsor Bloomberg Visionary sponsor Hudson River Trading Visionary sponsor Meta Visionary sponsor NVIDIA Visionary sponsor Microsoft Sustainability sponsor Depot Continuous Integration AWS Cloud computing and Security Sponsor Datadog Monitoring Fastly CDN Google Download Analytics Sentry Error logging StatusPage Status page