Question: An epsi - free PDA is a PDA with two modifications: that does not have any epsi transitions ( having epsi for

An \epsi -free PDA is a PDA with two modifications:
that does not have any \epsi transitions (having \epsi for stack actions is OK), and
it can push multiple symbols in one transition (however it can pop at most one symbol per transition). prove that if an \epsi -free PDA recognizes some language, then it is context free

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