diff --git a/markdown/1-Introduction/exercises/ex_1/ans.md b/markdown/1-Introduction/exercises/ex_1/ans.md
new file mode 100644
index 0000000000..10f39a866f
--- /dev/null
+++ b/markdown/1-Introduction/exercises/ex_1/ans.md
@@ -0,0 +1,21 @@
+Sure, here are the definitions in my own words:
+
+### (a) Intelligence
+
+Intelligence is the ability to learn from experience, adapt to new situations, understand and handle abstract concepts, and apply knowledge to manipulate one's environment or solve problems.
+
+### (b) Artificial Intelligence
+
+Artificial Intelligence (AI) is the field of computer science focused on creating systems and machines capable of performing tasks that typically require human intelligence, such as understanding natural language, recognizing patterns, learning from data, and making decisions.
+
+### (c) Agent
+
+An agent is an entity that perceives its environment through sensors and acts upon that environment through actuators to achieve certain goals. Agents can be autonomous and are capable of making decisions based on the information they gather.
+
+### (d) Rationality
+
+Rationality refers to the quality of making decisions based on logical reasoning, evidence, and well-defined principles, aiming to achieve the best possible outcome given the available information and resources.
+
+### (e) Logical Reasoning
+
+Logical reasoning is the process of using structured, methodical thinking to deduce new information or conclusions from known facts or premises. It involves following logical rules and principles to ensure that the conclusions drawn are valid and sound.
\ No newline at end of file
diff --git a/markdown/1-Introduction/exercises/ex_17/ans.md b/markdown/1-Introduction/exercises/ex_17/ans.md
new file mode 100644
index 0000000000..9718cbd908
--- /dev/null
+++ b/markdown/1-Introduction/exercises/ex_17/ans.md
@@ -0,0 +1,24 @@
+The statement "Surely animals, humans, and computers cannot be intelligent—they can do only what their constituent atoms are told to do by the laws of physics" presents a deterministic view of the universe. Let's break it down and analyze it.
+
+### Determinism and the Laws of Physics
+
+The latter part of the statement argues that all entities, whether living or non-living, operate strictly according to the laws of physics. This viewpoint aligns with the principle of determinism, which suggests that all events in the universe, including thoughts and actions, are determined by previously existing causes. According to this perspective, the behavior of atoms and molecules in a computer, an animal, or a human is governed by physical laws.
+
+### Intelligence and Determinism
+
+The notion that intelligence is incompatible with determinism is not necessarily valid. Intelligence can be understood as the ability to process information, learn, adapt, and solve problems. These processes can, in principle, be fully consistent with deterministic laws. Here’s why:
+
+1.  **Emergent Properties**: Intelligence can be considered an emergent property, arising from complex interactions of simpler components (atoms and molecules). Just because the behavior of these components is deterministic does not negate the emergence of higher-level properties such as intelligence.
+    
+2.  **Complexity and Organization**: The organization and complexity of a system play a crucial role in its capabilities. For example, the human brain, composed of neurons interacting in highly complex ways, can exhibit intelligent behavior even if each neuron operates according to deterministic physical laws.
+    
+3.  **Information Processing**: Computers, which are clearly designed and understood to operate according to the laws of physics, can perform tasks that require a level of "intelligence," such as playing chess or recognizing faces. This shows that intelligence, as an information-processing capability, can emerge from systems governed by physical laws.
+    
+
+### Implication of the Deterministic View
+
+The statement does not imply that animals, humans, and computers cannot be intelligent. Instead, it implies that intelligence, whether biological or artificial, operates within the framework of physical laws. The deterministic nature of physical laws does not preclude the existence of intelligent behavior; it merely explains how such behavior arises from the interactions of simpler components.
+
+### Conclusion
+
+The deterministic view presented in the latter statement is true in the sense that all physical processes, including those underlying intelligence, are governed by physical laws. However, this does not imply that animals, humans, and computers cannot be intelligent. Intelligence can emerge from the complex interactions of simpler components, even if those components themselves are governed by deterministic physical laws. Therefore, the former part of the statement, claiming that animals, humans, and computers cannot be intelligent, is not a necessary consequence of the latter part.
\ No newline at end of file
diff --git a/markdown/14-Probabilistic-Reasoning/exercises/ex_13/question.md b/markdown/14-Probabilistic-Reasoning/exercises/ex_13/question.md
index cf4b4726ca..a316b93dc2 100644
--- a/markdown/14-Probabilistic-Reasoning/exercises/ex_13/question.md
+++ b/markdown/14-Probabilistic-Reasoning/exercises/ex_13/question.md
@@ -25,3 +25,4 @@ multivalued nodes $G$ (gauge reading) and $T$ (actual core temperature).<br>
     Calculate an expression for the probability that the temperature of
     the core is too high, in terms of the various conditional
     probabilities in the network.<br>
+