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Combinatoric Structures

CAS CS 131

  • Critical Thinking
  • Quantitative Reasoning II

Fundamentals of logic (the laws of logic, rules of inference, quantifiers, proofs and inductive reasoning), fundamental principles of counting (permutations, combinations), set theory, relations and functions, principles for manipulating basic combinatoric structures. Effective Fall 2018, this course fulfills a single unit in the following BU Hub area: Quantitative Reasoning II. Effective Fall 2019, this course fulfills a single unit in each of the following BU Hub areas: Quantitative Reasoning II, Critical Thinking.

FALL 2026 Schedule

Section Instructor Location Schedule Notes
A1 Reyzin WED 130 TR 11:00 am-12:15 pm Students registering for CAS CS131 must register for two sections: a LEC section and a LAB section. IMPORTANT: Students in all CS131 sections should reserve Thursday 6:30 - 7:45pm for exams during the semester.

FALL 2026 Schedule

Section Instructor Location Schedule Notes
A2 Reyzin WED 130 TR 12:30 pm-1:45 pm Students registering for CAS CS131 must register for two sections: a LEC section and a LAB section. IMPORTANT: Students in all CS131 sections should reserve Thursday 6:30 - 7:45pm for exams during the semester.

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B3 Reyzin CDS 364 W 10:10 am-11:00 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B4 Reyzin CDS 364 W 11:15 am-12:05 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B5 Reyzin CDS 364 W 12:20 pm-1:10 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B6 Reyzin CDS 364 W 1:25 pm-2:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B7 Reyzin CDS 364 W 2:30 pm-3:20 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B8 Reyzin CDS 364 W 3:35 pm-4:25 pm

Note that this information may change at any time. Please visit the MyBU Student Portal for the most up-to-date course information.