を前提として

On the premise that … / Assuming … as a precondition

This grammar expresses that something is done based on a certain assumption, condition, or prerequisite.

N1

Meaning

On the premise that … / Assuming … as a precondition

This grammar expresses that something is done based on a certain assumption, condition, or prerequisite.

Formation

Noun + を前提として
Noun + を前提とした + Noun

Explanation

を前提として is used when an action, decision, or discussion is built upon a specific assumption or prerequisite.

Core idea:

  • “Assuming X…”

  • “With X as a condition…”

  • “On the basis of X…”

Important nuance:

  • The condition is treated as:

    • accepted

    • already decided

    • foundational

  • Frequently used in:

    • business planning

    • academic discussion

    • legal reasoning

    • policy explanation

    • JLPT N1 reading passages

Tone:

  • Formal

  • Logical

  • Analytical

It emphasizes framework or structure, not cause.