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- P1. Truth is that which in accordance with reality (if X occurred, and someone believes X occurred then that belief is TRUE).
- P2. Under classical laws of logic, any proposition is either true or NOT-true.
- P3. such propositions thus have truth value for any possible (even conceptual) thing whether it exists or not.
- P4. Our ability to assess the truth value of a proposition is affected by:
- - Linguistic ambiguity (for example, in the proposition "Visiting relatives can be annoying," there are two possible interpretations: "Relatives who visit are annoying" or "The act of visiting relatives is annoying").
- - Incomplete context (if person A killed person B, then the proposition "Person B was killed by person A" could be left undefined due to a lack of context—for example, evidence that person A in fact killed person B).
- - Modal scope ("Person A could have killed Person B" expresses possibility, while "Person A did kill Person B" asserts actuality).
- P5. assume some proposition "A" where A is any proposition. (such as "the sky is blue")
- C1. Therefore, even under epistemic limitations, A still holds a determinate truth value—either true or false, based on whether the possible state of affairs it describes corresponds to a real possibility within modal reality (i.e., whether it holds in some possible world).
- C2. Moral propositions are a subset of all propositions.
- P6. Moral propositions have truth value only if there exists some standard or telos (purpose) by which they can be measured.
- P7. No objective purpose → no objective standard → no moral truths (nihilism).
- P8. If humans (or the universe) have any objective purpose, then moral truths exist relative to that purpose.
- C3. Therefore, either:
- (A) Humans/universe have a purpose → objective moral truth exists (even if unknown),
- (B) Humans/universe have no purpose → no moral truth, no objective value (nihilism).
- P9. to accept proposition B entails denying:
- - Objective value in reasoning,
- - Purpose in truth-seeking,
- - Any ground for preferring some truth over falsehood (they're both just inert propositions),
- - Any reason why logic should be trusted
- C4. Therefore, to deny objective purpose (B) and by extension, objective morality, is not merely to reject moral truth, but to abandon the very preconditions of rational discourse: the value of reason, the trustworthiness of logic, and the meaningfulness of truth itself.
- C5. Therefore, proposition B is epistemically self-defeating.
- C6. Therefore, A: humans (or the universe) have an objective purpose, and objective moral truths exist, even if they are not fully accessible without further revelation or reason.
- P10. Objective purpose (A) requires a necessary truth to ground it. Something thus that cannot be contingent, changeable, or arbitrary and must be personal.
- C7. Therefore, if objective purpose exists (which must), a necessary truth (such as God) must exist.
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