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Proof step 3 from proof stability (previous step)

((P0 * {H} ))(H0), ((P1 * {H} ))(H1), P(H0), ∀ H. (((P0 -⊗ P) * P1))(H) → P(H) ⊦ P(H1)

User applied rule all left

And obtained the following new goals

Proof step 4:
((P1 * {H} ))(H1), ((P0 * {H} ))(H0), P(H0), (((P0 -⊗ P) * P1))(H1) → P(H1) ⊦ P(H1)

Rule argument

pos: left 4 terms: H1 abort: F discard: T computed: T

Additional information

Used terms: H1