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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 1577 | . 2 ⊢ Ⅎ𝑥𝜑 | |
| 2 | ralbidva.1 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝜓 ↔ 𝜒)) | |
| 3 | 1, 2 | ralbida 2536 | 1 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐴 𝜒)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 ∈ wcel 2203 ∀wral 2520 |
| 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 1496 ax-gen 1498 ax-4 1559 ax-17 1575 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-ral 2525 |
| This theorem is referenced by: raleqbidva 2759 poinxp 4819 funimass4 5727 fnmptfvd 5782 funimass3 5794 funconstss 5796 cocan1 5960 cocan2 5961 isocnv2 5985 isores2 5986 isoini2 5992 ofrfval 6275 ofrfval2 6283 dfsmo2 6518 smores 6523 smores2 6525 ac6sfi 7155 supisolem 7299 ordiso2 7326 ismkvnex 7446 nninfwlporlemd 7463 caucvgsrlemcau 8108 suplocsrlempr 8122 axsuploc 8346 suprleubex 9228 dfinfre 9230 zextlt 9670 prime 9677 infregelbex 9930 fzshftral 10442 nninfinf 10805 fimaxq 11194 swrdspsleq 11359 pfxeq 11388 clim 11966 clim2 11968 clim2c 11969 clim0c 11971 climabs0 11992 climrecvg1n 12033 mertenslem2 12222 mertensabs 12223 dfgcd2 12710 sqrt2irr 12859 pc11 13029 pcz 13030 1arith 13065 infpn2 13207 grpidpropdg 13587 sgrppropd 13626 mndpropd 13653 grppropd 13730 issubg4m 13910 rngpropd 14099 ringpropd 14182 oppr1g 14226 lsspropdg 14579 isridlrng 14630 isridl 14652 expghmap 14755 psrbagconf1o 14828 tgss2 14944 neipsm 15019 ssidcn 15075 lmbrf 15080 cnnei 15097 cnrest2 15101 lmss 15111 lmres 15113 ismet2 15219 elmopn2 15314 metss 15359 metrest 15371 metcnp 15377 metcnp2 15378 metcn 15379 txmetcnp 15383 divcnap 15430 elcncf2 15439 mulc1cncf 15454 cncfmet 15457 cdivcncfap 15469 limcdifap 15527 limcmpted 15528 cnlimc 15537 mpodvdsmulf1o 15858 2sqlem6 15993 upgriswlkdc 16355 clwwlknonex2lem2 16433 iswomni0 16836 cndcap 16844 |
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