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abstract algebra - Why isn't this statement about direct sums of injective modules contradicting the proposition? - Mathematics Stack Exchange
![Lectures on Modules and Rings (Graduate Texts in Mathematics, 189): Lam, Tsit-Yuen: 9780387984285: Amazon.com: Books Lectures on Modules and Rings (Graduate Texts in Mathematics, 189): Lam, Tsit-Yuen: 9780387984285: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/51YsYba9hEL._AC_UL160_SR160,160_.jpg)
Lectures on Modules and Rings (Graduate Texts in Mathematics, 189): Lam, Tsit-Yuen: 9780387984285: Amazon.com: Books
![Lectures on Modules and Rings (Graduate Texts in Mathematics, 189): Lam, Tsit-Yuen: 9780387984285: Amazon.com: Books Lectures on Modules and Rings (Graduate Texts in Mathematics, 189): Lam, Tsit-Yuen: 9780387984285: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/41blVZpxN8L._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOUR%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA7%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Lectures on Modules and Rings (Graduate Texts in Mathematics, 189): Lam, Tsit-Yuen: 9780387984285: Amazon.com: Books
![Lectures on Modules and Rings (Graduate Texts in Mathematics, 189): Lam, Tsit-Yuen: 9780387984285: Amazon.com: Books Lectures on Modules and Rings (Graduate Texts in Mathematics, 189): Lam, Tsit-Yuen: 9780387984285: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/51qmaBar1xL._AC_UL160_SR160,160_.jpg)
Lectures on Modules and Rings (Graduate Texts in Mathematics, 189): Lam, Tsit-Yuen: 9780387984285: Amazon.com: Books
![T.-Y. Lam Lectures on modules and rings (Graduate Texts in Mathematics, vol. 189, Springer, 1999), xxiii + 557pp., 0 387 98428 3 (hardback), $46. | Proceedings of the Edinburgh Mathematical Society | Cambridge Core T.-Y. Lam Lectures on modules and rings (Graduate Texts in Mathematics, vol. 189, Springer, 1999), xxiii + 557pp., 0 387 98428 3 (hardback), $46. | Proceedings of the Edinburgh Mathematical Society | Cambridge Core](https://static.cambridge.org/content/id/urn%3Acambridge.org%3Aid%3Aarticle%3AS0013091500021088/resource/name/firstPage-S0013091500021088a.jpg)
T.-Y. Lam Lectures on modules and rings (Graduate Texts in Mathematics, vol. 189, Springer, 1999), xxiii + 557pp., 0 387 98428 3 (hardback), $46. | Proceedings of the Edinburgh Mathematical Society | Cambridge Core
![Lectures on Modules and Rings (Graduate Texts in Mathematics, 189): Lam, Tsit-Yuen: 9780387984285: Amazon.com: Books Lectures on Modules and Rings (Graduate Texts in Mathematics, 189): Lam, Tsit-Yuen: 9780387984285: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/61TJPLGyfGL._AC_UL160_SR160,160_.jpg)
Lectures on Modules and Rings (Graduate Texts in Mathematics, 189): Lam, Tsit-Yuen: 9780387984285: Amazon.com: Books
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