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Mirrors > Home > ILE Home > Th. List > prarloclemup | Unicode version |
Description: Contracting the upper side of an interval which straddles a Dedekind cut. Lemma for prarloc 7465. (Contributed by Jim Kingdon, 10-Nov-2019.) |
Ref | Expression |
---|---|
prarloclemup | +Q0 ~Q0 ·Q0 +Q0 ~Q0 ·Q0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpllr 529 | . . 3 +Q0 ~Q0 ·Q0 | |
2 | simprl 526 | . . 3 +Q0 ~Q0 ·Q0 +Q0 ~Q0 ·Q0 | |
3 | simplr 525 | . . 3 +Q0 ~Q0 ·Q0 | |
4 | rspe 2519 | . . 3 +Q0 ~Q0 ·Q0 +Q0 ~Q0 ·Q0 | |
5 | 1, 2, 3, 4 | syl12anc 1231 | . 2 +Q0 ~Q0 ·Q0 +Q0 ~Q0 ·Q0 |
6 | 5 | exp31 362 | 1 +Q0 ~Q0 ·Q0 +Q0 ~Q0 ·Q0 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 w3a 973 wcel 2141 wrex 2449 cop 3586 csuc 4350 com 4574 (class class class)co 5853 c1o 6388 c2o 6389 coa 6392 cec 6511 ceq 7241 cnq 7242 cplq 7244 cmq 7245 ~Q0 ceq0 7248 +Q0 cplq0 7251 ·Q0 cmq0 7252 cnp 7253 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-4 1503 |
This theorem depends on definitions: df-bi 116 df-rex 2454 |
This theorem is referenced by: prarloclem3step 7458 |
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