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Theorem suplocexprlemss 8046
Description: Lemma for suplocexpr 8056. 𝐴 is a set of positive reals. (Contributed by Jim Kingdon, 7-Jan-2024.)
Hypotheses
Ref Expression
suplocexpr.m (𝜑 → ∃𝑥 𝑥𝐴)
suplocexpr.ub (𝜑 → ∃𝑥P𝑦𝐴 𝑦<P 𝑥)
suplocexpr.loc (𝜑 → ∀𝑥P𝑦P (𝑥<P 𝑦 → (∃𝑧𝐴 𝑥<P 𝑧 ∨ ∀𝑧𝐴 𝑧<P 𝑦)))
Assertion
Ref Expression
suplocexprlemss (𝜑𝐴P)
Distinct variable groups:   𝑥,𝐴,𝑦   𝜑,𝑥,𝑦
Allowed substitution hints:   𝜑(𝑧)   𝐴(𝑧)

Proof of Theorem suplocexprlemss
StepHypRef Expression
1 suplocexpr.ub . . 3 (𝜑 → ∃𝑥P𝑦𝐴 𝑦<P 𝑥)
2 rsp 2591 . . . . . 6 (∀𝑦𝐴 𝑦<P 𝑥 → (𝑦𝐴𝑦<P 𝑥))
3 ltrelpr 7836 . . . . . . . 8 <P ⊆ (P × P)
43brel 4807 . . . . . . 7 (𝑦<P 𝑥 → (𝑦P𝑥P))
54simpld 112 . . . . . 6 (𝑦<P 𝑥𝑦P)
62, 5syl6 33 . . . . 5 (∀𝑦𝐴 𝑦<P 𝑥 → (𝑦𝐴𝑦P))
76a1i 9 . . . 4 (𝜑 → (∀𝑦𝐴 𝑦<P 𝑥 → (𝑦𝐴𝑦P)))
87rexlimdvw 2666 . . 3 (𝜑 → (∃𝑥P𝑦𝐴 𝑦<P 𝑥 → (𝑦𝐴𝑦P)))
91, 8mpd 13 . 2 (𝜑 → (𝑦𝐴𝑦P))
109ssrdv 3248 1 (𝜑𝐴P)
Colors of variables: wff set class
Syntax hints:  wi 4  wo 716  wex 1541  wcel 2205  wral 2522  wrex 2523  wss 3214   class class class wbr 4114  Pcnp 7622  <P cltp 7626
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-14 2208  ax-ext 2216  ax-sep 4233  ax-pow 4292  ax-pr 4327
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ral 2527  df-rex 2528  df-v 2817  df-un 3218  df-in 3220  df-ss 3227  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-br 4115  df-opab 4177  df-xp 4760  df-iltp 7801
This theorem is referenced by:  suplocexprlemml  8047  suplocexprlemrl  8048  suplocexprlemmu  8049  suplocexprlemru  8050  suplocexprlemdisj  8051  suplocexprlemloc  8052  suplocexprlemex  8053  suplocexprlemub  8054  suplocexprlemlub  8055
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