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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 7444. (Contributed by Jim Kingdon, 10-Nov-2019.) |
Ref | Expression |
---|---|
prarloclemup | +Q0 ~Q0 ·Q0 +Q0 ~Q0 ·Q0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpllr 524 | . . 3 +Q0 ~Q0 ·Q0 | |
2 | simprl 521 | . . 3 +Q0 ~Q0 ·Q0 +Q0 ~Q0 ·Q0 | |
3 | simplr 520 | . . 3 +Q0 ~Q0 ·Q0 | |
4 | rspe 2515 | . . 3 +Q0 ~Q0 ·Q0 +Q0 ~Q0 ·Q0 | |
5 | 1, 2, 3, 4 | syl12anc 1226 | . 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 968 wcel 2136 wrex 2445 cop 3579 csuc 4343 com 4567 (class class class)co 5842 c1o 6377 c2o 6378 coa 6381 cec 6499 ceq 7220 cnq 7221 cplq 7223 cmq 7224 ~Q0 ceq0 7227 +Q0 cplq0 7230 ·Q0 cmq0 7231 cnp 7232 |
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 1437 ax-ie1 1481 ax-ie2 1482 ax-4 1498 |
This theorem depends on definitions: df-bi 116 df-rex 2450 |
This theorem is referenced by: prarloclem3step 7437 |
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