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Defined mathematical notation
Browse 46 linked conservative definitions and 182 independently checked theorems without losing their exact first-order expansions.
Browse definitions and theorems →Arbitrary dimensions · genuine minors · integer coefficient witnesses · Constructive arithmetic
det(M) exists · ∃!r.Rank(M,r) · u,v∈Span(M) ⇒ u+v,−u∈Span(M)
Construct actual recursive determinants, exhaustive rectangular rank witnesses, and integer column spans, with representation-independent signed arithmetic and explicit finite codes.
Current library: Alpha v34, 4,223 checked-use theorems; Stable remains 432. Historical first admissions, original proof editions, and non-admitted aliases are preserved. Exact original first-admission records.
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Browse 46 linked conservative definitions and 182 independently checked theorems without losing their exact first-order expansions.
Browse definitions and theorems →Exact certificate
Inspect all 9921 native tactic lines and 415 actual proof prerequisites with every definition fully expanded.
Open the exact edition →Focused route
Start at theorem DL00B4 and follow only the lemmas and conservative definitions supporting positive_determinant_matrix_data_full_rank.
DL0028 signed_recursive_determinant_exists_unique · DL0083 integer_column_span_add_exists · DL0084 integer_column_span_negate_exists · DL0060 rectangular_matrix_rank_exists_unique · DL0094 signed_recursive_determinant_integer_invariant · DL009F rectangular_matrix_rank_integer_invariant · DL00B5 absolute_recursive_determinant_exists_unique · DL00B6 positive_determinant_matrix_data_exists_unique · DL00B4 positive_determinant_matrix_data_full_rank.c4711433c92b67d2ebeb30131669c60563c70e0464dafa851d417fb88fb21a6d.