Is evidence of subjective intentions or of pre-contractual negotiations admissible on the construction of a contract?

What is the test for admissible evidence of the intentions of the contracting parties? (British Columbia, Canada)

What is the test for the construction of a contract where a clause in the contract states that a condition fundamental to the agreement must be met before the contract can be signed? (British Columbia, Canada)

Is evidence of the subjective intention of the parties admissible? (British Columbia, Canada)

What is the current state of the law in Canada when it comes to rationalizing the subjective evidence of the parties' intentions with objective evidence? (British Columbia, Canada)

Is intent relevant to the meaning of the words "intention" in the context of a contract? (British Columbia, Canada)

Can a contract be void from the start if both parties make a mistake in the construction of the contract? (British Columbia, Canada)

Is an employment contract valid when the substratum of the employment contract has been eroded so that the contract does not need to be substantially eroded? (British Columbia, Canada)

What is the test for determining whether a contract is enforceable in circumstances where the contract states that a particular law will govern the contract? (British Columbia, Canada)

What is the range of damages for damages for breach of a contract where the contract price of a parcel of land was significantly lower than the value of the land at the time the contract was signed? (British Columbia, Canada)

What is the test for admissible evidence that contradicts the terms of a written contract? (British Columbia, Canada)