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Mirrors > Home > MPE Home > Th. List > reximdv2 | Structured version Visualization version GIF version |
Description: Deduction quantifying both antecedent and consequent, based on Theorem 19.22 of [Margaris] p. 90. (Contributed by NM, 17-Sep-2003.) |
Ref | Expression |
---|---|
reximdv2.1 | ⊢ (𝜑 → ((𝑥 ∈ 𝐴 ∧ 𝜓) → (𝑥 ∈ 𝐵 ∧ 𝜒))) |
Ref | Expression |
---|---|
reximdv2 | ⊢ (𝜑 → (∃𝑥 ∈ 𝐴 𝜓 → ∃𝑥 ∈ 𝐵 𝜒)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reximdv2.1 | . . 3 ⊢ (𝜑 → ((𝑥 ∈ 𝐴 ∧ 𝜓) → (𝑥 ∈ 𝐵 ∧ 𝜒))) | |
2 | 1 | eximdv 1833 | . 2 ⊢ (𝜑 → (∃𝑥(𝑥 ∈ 𝐴 ∧ 𝜓) → ∃𝑥(𝑥 ∈ 𝐵 ∧ 𝜒))) |
3 | df-rex 2902 | . 2 ⊢ (∃𝑥 ∈ 𝐴 𝜓 ↔ ∃𝑥(𝑥 ∈ 𝐴 ∧ 𝜓)) | |
4 | df-rex 2902 | . 2 ⊢ (∃𝑥 ∈ 𝐵 𝜒 ↔ ∃𝑥(𝑥 ∈ 𝐵 ∧ 𝜒)) | |
5 | 2, 3, 4 | 3imtr4g 284 | 1 ⊢ (𝜑 → (∃𝑥 ∈ 𝐴 𝜓 → ∃𝑥 ∈ 𝐵 𝜒)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 ∃wex 1695 ∈ wcel 1977 ∃wrex 2897 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 |
This theorem depends on definitions: df-bi 196 df-ex 1696 df-rex 2902 |
This theorem is referenced by: ssrexv 3630 ssimaex 6173 nnsuc 6974 oaass 7528 omeulem1 7549 ssnnfi 8064 findcard3 8088 unfilem1 8109 epfrs 8490 alephval3 8816 isfin7-2 9101 fin1a2lem6 9110 fpwwe2lem12 9342 fpwwe2lem13 9343 inawinalem 9390 ico0 12092 ioc0 12093 r19.2uz 13939 climrlim2 14126 iserodd 15378 ramub2 15556 prmgaplem6 15598 pgpssslw 17852 efgrelexlemb 17986 ablfaclem3 18309 unitgrp 18490 lspsneq 18943 lbsextlem4 18982 neissex 20741 iscnp4 20877 nlly2i 21089 llynlly 21090 restnlly 21095 llyrest 21098 nllyrest 21099 llyidm 21101 nllyidm 21102 qtophmeo 21430 cnpflfi 21613 cnextcn 21681 ivthlem3 23029 ovolicc2lem5 23096 dvfsumrlim 23598 itgsubst 23616 lgsquadlem2 24906 footex 25413 opphllem1 25439 oppperpex 25445 outpasch 25447 nbgraf1olem5 25974 cusgrafilem2 26008 cmppcmp 29253 eulerpartlemgvv 29765 eulerpartlemgh 29767 erdszelem7 30433 rellyscon 30487 trpredrec 30982 ivthALT 31500 fnessref 31522 phpreu 32563 poimirlem26 32605 itg2gt0cn 32635 frinfm 32700 sstotbnd2 32743 heiborlem3 32782 isdrngo3 32928 dihjat1lem 35735 dvh1dim 35749 dochsatshp 35758 lcfl6 35807 mapdval2N 35937 mapdpglem2 35980 hdmaprnlem10N 36169 pellexlem5 36415 pell14qrss1234 36438 pell1qrss14 36450 pellfundglb 36467 lnr2i 36705 hbtlem6 36718 ushgredgedga 40456 ushgredgedgaloop 40458 cusgrfilem2 40672 |
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