Math Department - Jon Mormino

Math III (Mormino)

Lunch for Friday, Oct 23

Classic Caesar Salad
Roasted Salmon
Chicken Piccata
Sweet Sriracha Grilled Tofu
Tomato Risotto
Sautéed Sugar Snaps

Announcement

Monday, October 19

-Homework: Book of Proof, Section 12.4 - Prove that the composition of two surjective functions is surjective, and do problem 10.

 

Thursday, October 20 / Wednesday, October 21

-Homework: Book of Proof, Section 12.5 - Read section and make a comment, and do problem 6.

 

Thursday, October 22

-Homework due Tuesday (P1) or Wednesday (P2) of next week: Book of Proof, Section 12.6 - Read section and make a comment, and do problem 1 and the first half of problem 12.

Downloads

  File Description Date
1.course_info.pdfCourse informationSep 9, 2026
2.2025_IMO_problem.pdf2025 IMO problemSep 9, 2026
3.direct1.pdfDirect proof #1Sep 10, 2026
4.pattern.pdfA fun pattern and some proof writingSep 11, 2026
5.direct2.pdfDirect proof #2Sep 11, 2026
6.indirect1.pdfIndirect proof #1Sep 14, 2026
7.indirect2.pdfIndirect proof #2Sep 15, 2026
8.induction1.pdfProof by induction #1Sep 17, 2026
9.induction2.pdfProof by induction #2Sep 18, 2026
10.misc_proof1.pdfMiscellaneous proof writing #1Sep 22, 2026
11.misc_proof1a.pdfMiscellaneous proof writing #1 SOLUTIONSSep 22, 2026
12.misc_proof2.pdfMiscellaneous proof writing #2Sep 25, 2026
13.misc_proof3.pdfMiscellaneous proof writing #3Sep 28, 2026
14.algebra1.pdfAlgebra #1Oct 5, 2026
15.algebra2.pdfAlgebra #2Oct 6, 2026
16.euclidean_algorithm.pdfEuclidean AlgorithmOct 8, 2026
17.algebra3.pdfAlgebra #3Oct 8, 2026
18.algebra4.pdfAlgebra #4Oct 9, 2026