Users' Mathboxes Mathbox for Zhi Wang < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  imasubclem1 Structured version   Visualization version   GIF version

Theorem imasubclem1 50212
Description: Lemma for imasubc 50259. (Contributed by Zhi Wang, 6-Nov-2025.)
Hypotheses
Ref Expression
imasubclem1.f (𝜑 → 𝐹 ∈ 𝑉)
imasubclem1.g (𝜑 → 𝐺 ∈ 𝑊)
Assertion
Ref Expression
imasubclem1 (𝜑 → ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V)
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵   𝑥,𝐹   𝑥,𝐺
Allowed substitution hints:   𝜑(𝑥)   𝐶(𝑥)   𝐷(𝑥)   𝐻(𝑥)   𝑉(𝑥)   𝑊(𝑥)

Proof of Theorem imasubclem1
StepHypRef Expression
1 imasubclem1.f . . . . 5 (𝜑 → 𝐹 ∈ 𝑉)
2 cnvexg 7936 . . . . 5 (𝐹 ∈ 𝑉 → ◡𝐹 ∈ V)
31, 2syl 18 . . . 4 (𝜑 → ◡𝐹 ∈ V)
43imaexd 7928 . . 3 (𝜑 → (◡𝐹 “ 𝐴) ∈ V)
5 imasubclem1.g . . . . 5 (𝜑 → 𝐺 ∈ 𝑊)
6 cnvexg 7936 . . . . 5 (𝐺 ∈ 𝑊 → ◡𝐺 ∈ V)
75, 6syl 18 . . . 4 (𝜑 → ◡𝐺 ∈ V)
87imaexd 7928 . . 3 (𝜑 → (◡𝐺 “ 𝐵) ∈ V)
94, 8xpexd 7765 . 2 (𝜑 → ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵)) ∈ V)
10 fvex 6898 . . . 4 (𝐻‘𝐶) ∈ V
1110imaex 7926 . . 3 ((𝐻‘𝐶) “ 𝐷) ∈ V
1211rgenw 3080 . 2 ∀𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V
13 iunexg 7975 . 2 ((((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵)) ∈ V ∧ ∀𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V) → ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V)
149, 12, 13sylancl 598 1 (𝜑 → ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ∈ wcel 2144  ∀wral 3076  Vcvv 3450  ∪ ciun 4950   × cxp 5648  ◡ccnv 5649   “ cima 5653  ‘cfv 6538
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-11 2193  ax-ext 2732  ax-rep 5231  ax-sep 5248  ax-nul 5259  ax-pow 5326  ax-pr 5390  ax-un 7751
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-sb 2099  df-mo 2564  df-clab 2739  df-cleq 2752  df-clel 2835  df-ne 2956  df-ral 3077  df-rex 3087  df-rab 3413  df-v 3452  df-ss 3896  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4584  df-pr 4586  df-op 4590  df-uni 4867  df-iun 4952  df-br 5103  df-opab 5167  df-xp 5656  df-rel 5657  df-cnv 5658  df-dm 5660  df-rn 5661  df-res 5662  df-ima 5663  df-iota 6494  df-fv 6546
This theorem is used by:  imasubclem2  50213  imasubclem3  50214
  Copyright terms: Public domain W3C validator