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| Mirrors > Home > ILE Home > Th. List > ralbidva | GIF version | ||
| Description: Formula-building rule for restricted universal quantifier (deduction form). (Contributed by NM, 4-Mar-1997.) |
| Ref | Expression |
|---|---|
| ralbidva.1 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝜓 ↔ 𝜒)) |
| Ref | Expression |
|---|---|
| ralbidva | ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐴 𝜒)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfv 1581 | . 2 ⊢ Ⅎ𝑥𝜑 | |
| 2 | ralbidva.1 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝜓 ↔ 𝜒)) | |
| 3 | 1, 2 | ralbida 2544 | 1 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐴 𝜒)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 ↔ wb 105 ∈ wcel 2209 ∀wral 2528 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-gen 1502 ax-4 1563 ax-17 1579 |
| This proof depends on definitions: df-bi 117 df-nf 1514 df-ral 2533 |
| This theorem is used by: raleqbidva 2767 poinxp 4844 funimass4 5753 fnmptfvd 5813 funimass3 5825 funconstss 5827 cocan1 5993 cocan2 5994 isocnv2 6018 isores2 6019 isoini2 6025 ofrfval 6311 ofrfval2 6319 dfsmo2 6558 smores 6563 smores2 6565 ac6sfi 7202 supisolem 7348 ordiso2 7375 ismkvnex 7495 nninfwlporlemd 7512 caucvgsrlemcau 8160 suplocsrlempr 8174 axsuploc 8398 suprleubex 9286 dfinfre 9288 zextlt 9742 prime 9749 infregelbex 10007 fzshftral 10525 nninfinf 10893 fimaxq 11284 swrdspsleq 11453 pfxeq 11482 clim 12063 clim2 12065 clim2c 12066 clim0c 12068 climabs0 12089 climrecvg1n 12130 mertenslem2 12319 mertensabs 12320 dfgcd2 12807 sqrt2irr 12957 pc11 13130 pcz 13131 1arith 13166 ballotfilemodife 13289 infpn2 13396 grpidpropdg 13743 sgrppropd 13777 mndpropd 13802 grppropd 13871 issubg4m 14045 rngpropd 14303 ringpropd 14392 oppr1g 14437 opprdrng 14669 lsspropdg 14817 isridlrng 14868 isridl 14890 expghmap 14991 assapropd 15063 psrbagconf1o 15113 tgss2 15229 neipsm 15304 ssidcn 15360 lmbrf 15365 cnnei 15382 cnrest2 15386 lmss 15396 lmres 15398 ismet2 15504 elmopn2 15599 metss 15644 metrest 15656 metcnp 15662 metcnp2 15663 metcn 15664 txmetcnp 15668 divcnap 15715 elcncf2 15724 mulc1cncf 15739 cncfmet 15742 cdivcncfap 15754 limcdifap 15812 limcmpted 15813 cnlimc 15822 mpodvdsmulf1o 16185 2sqlem6 16337 upgriswlkdc 16699 clwwlknonex2lem2 16777 iswomni0 17199 cndcap 17207 |
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