Hiroki Narita is Associate Professor of Linguistics at Tokai University, Kanagawa, Japan. Naoki Fukui is Professor of Linguistics at Sophia University, Tokyo, Japan.

• 1 Symmetry of Merge: Why Only Merge? 2 Symmetry of Phases: Cyclic Transfer and Feature-Equilibrium 3 Symmetry of Agreement: Reducing Multiple Agree(ment) Mechanisms into Feature- Equilibrium 4 Symmetry of Labeling: Beyond Chomsky’s Labeling Algorithm and Universal/Unique Labeling Condition 5 Symmetry of Movement: Criteria, Freezing, and Cyclicity 6 Conclusions

Hiroki Narita is Associate Professor of Linguistics at Tokai University, Kanagawa, Japan. Naoki Fukui is Professor of Linguistics at Sophia University, Tokyo, Japan.

• 1 Symmetry of Merge: Why Only Merge? 2 Symmetry of Phases: Cyclic Transfer and Feature-Equilibrium 3 Symmetry of Agreement: Reducing Multiple Agree(ment) Mechanisms into Feature- Equilibrium 4 Symmetry of Labeling: Beyond Chomsky’s Labeling Algorithm and Universal/Unique Labeling Condition 5 Symmetry of Movement: Criteria, Freezing, and Cyclicity 6 Conclusions

Hiroki Narita is Associate Professor of Linguistics at Tokai University, Kanagawa, Japan. Naoki Fukui is Professor of Linguistics at Sophia University, Tokyo, Japan.

• 1 Symmetry of Merge: Why Only Merge? 2 Symmetry of Phases: Cyclic Transfer and Feature-Equilibrium 3 Symmetry of Agreement: Reducing Multiple Agree(ment) Mechanisms into Feature- Equilibrium 4 Symmetry of Labeling: Beyond Chomsky’s Labeling Algorithm and Universal/Unique Labeling Condition 5 Symmetry of Movement: Criteria, Freezing, and Cyclicity 6 Conclusions