ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  suplocexprlemss GIF version

Theorem suplocexprlemss 8083
Description: Lemma for suplocexpr 8093. 𝐴 is a set of positive reals. (Contributed by Jim Kingdon, 7-Jan-2024.)
Hypotheses
Ref Expression
suplocexpr.m (𝜑 → ∃𝑥 𝑥 ∈ 𝐴)
suplocexpr.ub (𝜑 → ∃𝑥 ∈ P ∀𝑦 ∈ 𝐴 𝑦<P 𝑥)
suplocexpr.loc (𝜑 → ∀𝑥 ∈ P ∀𝑦 ∈ P (𝑥<P 𝑦 → (∃𝑧 ∈ 𝐴 𝑥<P 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧<P 𝑦)))
Assertion
Ref Expression
suplocexprlemss (𝜑 → 𝐴 ⊆ P)
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 → ∃𝑥 ∈ P ∀𝑦 ∈ 𝐴 𝑦<P 𝑥)
2 rsp 2597 . . . . . 6 (∀𝑦 ∈ 𝐴 𝑦<P 𝑥 → (𝑦 ∈ 𝐴 → 𝑦<P 𝑥))
3 ltrelpr 7873 . . . . . . . 8 <P ⊆ (P × P)
43brel 4827 . . . . . . 7 (𝑦<P 𝑥 → (𝑦 ∈ P ∧ 𝑥 ∈ P))
54simpld 112 . . . . . 6 (𝑦<P 𝑥 → 𝑦 ∈ P)
62, 5syl6 33 . . . . 5 (∀𝑦 ∈ 𝐴 𝑦<P 𝑥 → (𝑦 ∈ 𝐴 → 𝑦 ∈ P))
76a1i 9 . . . 4 (𝜑 → (∀𝑦 ∈ 𝐴 𝑦<P 𝑥 → (𝑦 ∈ 𝐴 → 𝑦 ∈ P)))
87rexlimdvw 2672 . . 3 (𝜑 → (∃𝑥 ∈ P ∀𝑦 ∈ 𝐴 𝑦<P 𝑥 → (𝑦 ∈ 𝐴 → 𝑦 ∈ P)))
91, 8mpd 13 . 2 (𝜑 → (𝑦 ∈ 𝐴 → 𝑦 ∈ P))
109ssrdv 3254 1 (𝜑 → 𝐴 ⊆ P)
Colors of variables:    wff set class
This proof depends on syntax axioms:   → wi 4   ∨ wo 720  ∃wex 1545   ∈ wcel 2209  ∀wral 2528  ∃wrex 2529   ⊆ wss 3220   class class class wbr 4130  Pcnp 7659  <P cltp 7663
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4249  ax-pow 4311  ax-pr 4346
This proof depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ral 2533  df-rex 2534  df-v 2823  df-un 3224  df-in 3226  df-ss 3233  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-br 4131  df-opab 4193  df-xp 4780  df-iltp 7838
This theorem is used by:  suplocexprlemml  8084  suplocexprlemrl  8085  suplocexprlemmu  8086  suplocexprlemru  8087  suplocexprlemdisj  8088  suplocexprlemloc  8089  suplocexprlemex  8090  suplocexprlemub  8091  suplocexprlemlub  8092
  Copyright terms: Public domain W3C validator