Natural deduction TRUE

(TE)(AL)
(TA)(EL)

Truth check table

CaseTEAL(TE)(AL)(TA)(EL)
1TTTTTT
2TTTFFT
3TTFTTT
4TTFFTT
5TFTTFT
6TFTFFF
7TFFTFT
8TFFFFF
9FTTTTT
10FTTFFT
11FTFTTT
12FTFFTT
13FFTTTT
14FFTFFF
15FFFTTT
16FFFFTT
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