PD0002

Lt(a,b)

Witness-defined strict order on natural numbers.

Conservative notation; not a theorem, primitive, or axiom.

Current library: Alpha v34, 4,223 checked-use theorems; Stable remains 432. Historical first admissions, original proof editions, and non-admitted aliases are preserved.

Definition in prerequisite notation

S a ≤ b

Only definitions earlier in this acyclic notation graph are used here.

Hygienic expanded first-order definition
exists h. h + S a = b

The unchanged native kernel never receives this surface symbol. Binder-safe expansion produces only its existing first-order syntax.

Direct definition dependencies

none — first-order arithmetic only

Definitions depending on this notation

Checked theorems using this definition

PX0001 · polynomial_diagonal_left_prefix_transportPX0003 · prime_field_convolution_coefficient_prefix_transportPX0004 · prime_field_convolution_coefficient_append_invariantPX0009 · prime_field_polynomial_power_index_boundPX000A · prime_field_polynomial_left_pad_index_casesPX000B · prime_field_polynomial_power_index_before_paddingPX000C · prime_field_polynomial_power_coefficient_existsPX0014 · prime_field_polynomial_left_pad_existsPX0015 · prime_field_polynomial_left_pad_entryPX0016 · prime_field_polynomial_left_pad_boundedPX0017 · prime_field_polynomial_left_pad_functionalPX001A · prime_field_polynomial_left_pad_power_coefficientPX001E · prime_field_polynomial_add_left_pad_transportPX001F · prime_field_polynomial_subtract_left_pad_transportPX0020 · prime_field_polynomial_scale_left_pad_transportPX0023 · prime_field_polynomial_constant_right_coefficientPX002B · prime_field_polynomial_quotient_prefix_entryPX002D · prime_field_polynomial_quotient_prefix_appendPX002E · prime_field_polynomial_quotient_prefix_existsPX002F · prime_field_polynomial_quotient_prefix_convolution_entryPX0032 · polynomial_quotient_length_existsPX0034 · prime_field_polynomial_trim_zero_prefix_cut_boundPX0036 · prime_field_polynomial_trim_bounded_degreePX0037 · prime_field_polynomial_division_quotient_data_existsPX003A · prime_field_polynomial_division_remainder_degreePX003B · prime_field_polynomial_division_exists_with_remainder_boundPX0040 · beta_sum_pointwise_mod_addPX0054 · prime_field_polynomial_quotient_prefix_functionalPX005C · polynomial_zero_extended_left_pad_beforePX005D · polynomial_left_pad_zero_prefixPX005F · polynomial_zero_tail_natural_sum_invariantPX0062 · polynomial_diagonal_term_left_padding_zero_leftPX0063 · polynomial_diagonal_term_left_padding_zero_rightPX0065 · polynomial_diagonal_left_padding_rightPX0067 · prime_field_convolution_coefficient_left_padding_rightPX0068 · prime_field_convolution_coefficient_before_left_padding_leftPX0069 · prime_field_convolution_coefficient_before_left_padding_right