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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 7349 ordiso2 7376 ismkvnex 7496 nninfwlporlemd 7513 caucvgsrlemcau 8161 suplocsrlempr 8175 axsuploc 8399 suprleubex 9287 dfinfre 9289 zextlt 9743 prime 9750 infregelbex 10008 fzshftral 10526 nninfinf 10895 fimaxq 11286 swrdspsleq 11455 pfxeq 11484 clim 12066 clim2 12068 clim2c 12069 clim0c 12071 climabs0 12092 climrecvg1n 12133 mertenslem2 12322 mertensabs 12323 dfgcd2 12810 sqrt2irr 12960 pc11 13133 pcz 13134 1arith 13169 ballotfilemodife 13292 infpn2 13399 grpidpropdg 13747 sgrppropd 13781 mndpropd 13806 grppropd 13875 issubg4m 14049 rngpropd 14338 ringpropd 14427 oppr1g 14472 opprdrng 14704 lsspropdg 14852 isridlrng 14903 isridl 14925 expghmap 15026 assapropd 15098 psrbagconf1o 15149 tgss2 15271 neipsm 15346 ssidcn 15402 lmbrf 15407 cnnei 15424 cnrest2 15428 lmss 15438 lmres 15440 ismet2 15546 elmopn2 15641 metss 15686 metrest 15698 metcnp 15704 metcnp2 15705 metcn 15706 txmetcnp 15710 divcnap 15757 elcncf2 15766 mulc1cncf 15781 cncfmet 15784 cdivcncfap 15796 limcdifap 15854 limcmpted 15855 cnlimc 15864 mpodvdsmulf1o 16245 2sqlem6 16405 upgriswlkdc 16767 clwwlknonex2lem2 16845 iswomni0 17268 cndcap 17276 |
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