Step-by-step derivation
S001 · implies
Before
source roles = [qf-matrix-addition, matrix_addition, reals, []]
After
derived = [[nested_ROW_matrix]]
Conditions: none
MOD25 uses LOCAL hyphens/named domains,legacy matrices underscores/reals;BASE logic acquires no domain/op.Output tuples,matrices,numeric fields and fraction texts follow THIS source,not a universal/1 rule.Retain originals/English/AST/status.
Step identifiers and dependencies
Rule: R65_SOURCE_bank_keys_operation_domain_ordered_output_roles · Uses: G001
S002 · implies
Before
source roles = [A ORIGINAL, [[3], [5], [7], [9]]]
After
derived = [4, 1]
Conditions: none
THIS bank allows1..5 by1..5 matrices,not the R64 2×2 restriction.Type EVERY raw SAFE cell,including unused shape/entry cells.Keep original row order.
Step identifiers and dependencies
Rule: Matrix_RAW_rectangular_1to5_ALL_SAFE_entries_even_unused · Uses: G001, S001
S003 · implies
Before
source roles = [B ORIGINAL, [[-3], [-5], [-7], [-9]]]
After
derived = [4, 1]
Conditions: none
THIS bank allows1..5 by1..5 matrices,not the R64 2×2 restriction.Type EVERY raw SAFE cell,including unused shape/entry cells.Keep original row order.
Step identifiers and dependencies
Rule: Matrix_RAW_rectangular_1to5_ALL_SAFE_entries_even_unused · Uses: G001, S002
S004 · calculation
Before
Matrix sum ORIGINAL entry0,0 := sum(3, -3)
After
Matrix sum ORIGINAL entry0,0 = 0
Conditions: none
Use ORIGINAL operands/order for exact arithmetic.Rational operations separately enforce this MOD25 SOURCE pre-reduction envelope.Do not globally cap every derived integer at one million or use floating approximations.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S003
S005 · calculation
Before
Matrix sum ORIGINAL entry1,0 := sum(5, -5)
After
Matrix sum ORIGINAL entry1,0 = 0
Conditions: none
Use ORIGINAL operands/order for exact arithmetic.Rational operations separately enforce this MOD25 SOURCE pre-reduction envelope.Do not globally cap every derived integer at one million or use floating approximations.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S004
S006 · calculation
Before
Matrix sum ORIGINAL entry2,0 := sum(7, -7)
After
Matrix sum ORIGINAL entry2,0 = 0
Conditions: none
Use ORIGINAL operands/order for exact arithmetic.Rational operations separately enforce this MOD25 SOURCE pre-reduction envelope.Do not globally cap every derived integer at one million or use floating approximations.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S005
S007 · calculation
Before
Matrix sum ORIGINAL entry3,0 := sum(9, -9)
After
Matrix sum ORIGINAL entry3,0 = 0
Conditions: none
Use ORIGINAL operands/order for exact arithmetic.Rational operations separately enforce this MOD25 SOURCE pre-reduction envelope.Do not globally cap every derived integer at one million or use floating approximations.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S006
S008 · implies
Before
source roles = [[[3], [5], [7], [9]], [[-3], [-5], [-7], [-9]]]
After
derived = [[[0], [0], [0], [0]]]
Conditions: none
Add EVERY corresponding entry ONLY at equal shapes.Derived sums may exceed SAFE;do not reparse as a RAW matrix.No zero-padding or broadcasting.
Step identifiers and dependencies
Rule: Matrix_ADDITION_all_corresponding_entries_NO_padding_or_raw_recap · Uses: G001, S007