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| Mirrors > Home > ILE Home > Th. List > reximi | GIF version | ||
| Description: Inference quantifying both antecedent and consequent. (Contributed by NM, 18-Oct-1996.) |
| Ref | Expression |
|---|---|
| reximi.1 | ⊢ (𝜑 → 𝜓) |
| Ref | Expression |
|---|---|
| reximi | ⊢ (∃𝑥 ∈ 𝐴 𝜑 → ∃𝑥 ∈ 𝐴 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reximi.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 2 | 1 | a1i 9 | . 2 ⊢ (𝑥 ∈ 𝐴 → (𝜑 → 𝜓)) |
| 3 | 2 | reximia 2626 | 1 ⊢ (∃𝑥 ∈ 𝐴 𝜑 → ∃𝑥 ∈ 𝐴 𝜓) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2201 ∃wrex 2510 |
| 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-5 1495 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-4 1558 ax-ial 1582 |
| This theorem depends on definitions: df-bi 117 df-ral 2514 df-rex 2515 |
| This theorem is referenced by: rexanaliim 2637 r19.29d2r 2676 r19.35-1 2682 r19.40 2686 reu3 2995 ssiun 4011 iinss 4021 elunirn 5909 tfrcllemssrecs 6520 nnawordex 6699 iinerm 6778 erovlem 6798 xpf1o 7032 fidcenumlemim 7153 omniwomnimkv 7368 genprndl 7743 genprndu 7744 appdiv0nq 7786 ltexprlemm 7822 recexsrlem 7996 rereceu 8111 recexre 8760 aprcl 8828 rexanre 11800 climi2 11868 climi0 11869 climcaucn 11931 prodmodclem2 12158 prodmodc 12159 gcdsupex 12548 gcdsupcl 12549 bezoutlemeu 12598 dfgcd3 12601 isnsgrp 13509 rhmdvdsr 14210 eltg2b 14804 lmcvg 14967 cnptoprest 14989 lmtopcnp 15000 txbas 15008 metrest 15256 elply2 15485 2sqlem7 15876 umgr2edg1 16086 umgr2edgneu 16089 bj-charfunbi 16464 bj-findis 16632 |
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