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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 1576 | . 2 ⊢ Ⅎ𝑥𝜑 | |
| 2 | ralbidva.1 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝜓 ↔ 𝜒)) | |
| 3 | 1, 2 | ralbida 2526 | 1 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐴 𝜒)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 ∈ wcel 2202 ∀wral 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-4 1558 ax-17 1574 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-ral 2515 |
| This theorem is referenced by: raleqbidva 2748 poinxp 4795 funimass4 5696 fnmptfvd 5751 funimass3 5763 funconstss 5765 cocan1 5928 cocan2 5929 isocnv2 5953 isores2 5954 isoini2 5960 ofrfval 6244 ofrfval2 6252 dfsmo2 6453 smores 6458 smores2 6460 ac6sfi 7087 supisolem 7207 ordiso2 7234 ismkvnex 7354 nninfwlporlemd 7371 caucvgsrlemcau 8013 suplocsrlempr 8027 axsuploc 8252 suprleubex 9134 dfinfre 9136 zextlt 9572 prime 9579 infregelbex 9832 fzshftral 10343 nninfinf 10706 fimaxq 11092 swrdspsleq 11252 pfxeq 11281 clim 11859 clim2 11861 clim2c 11862 clim0c 11864 climabs0 11885 climrecvg1n 11926 mertenslem2 12115 mertensabs 12116 dfgcd2 12603 sqrt2irr 12752 pc11 12922 pcz 12923 1arith 12958 infpn2 13095 grpidpropdg 13475 sgrppropd 13514 mndpropd 13541 grppropd 13618 issubg4m 13798 rngpropd 13987 ringpropd 14070 oppr1g 14114 lsspropdg 14464 isridlrng 14515 isridl 14537 expghmap 14640 tgss2 14822 neipsm 14897 ssidcn 14953 lmbrf 14958 cnnei 14975 cnrest2 14979 lmss 14989 lmres 14991 ismet2 15097 elmopn2 15192 metss 15237 metrest 15249 metcnp 15255 metcnp2 15256 metcn 15257 txmetcnp 15261 divcnap 15308 elcncf2 15317 mulc1cncf 15332 cncfmet 15335 cdivcncfap 15347 limcdifap 15405 limcmpted 15406 cnlimc 15415 mpodvdsmulf1o 15733 2sqlem6 15868 upgriswlkdc 16230 clwwlknonex2lem2 16308 iswomni0 16707 cndcap 16715 |
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