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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 1574 | . 2 ⊢ Ⅎ𝑥𝜑 | |
| 2 | ralbidva.1 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝜓 ↔ 𝜒)) | |
| 3 | 1, 2 | ralbida 2524 | 1 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐴 𝜒)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 ∈ wcel 2200 ∀wral 2508 |
| 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 1493 ax-gen 1495 ax-4 1556 ax-17 1572 |
| This theorem depends on definitions: df-bi 117 df-nf 1507 df-ral 2513 |
| This theorem is referenced by: raleqbidva 2746 poinxp 4793 funimass4 5692 fnmptfvd 5747 funimass3 5759 funconstss 5761 cocan1 5923 cocan2 5924 isocnv2 5948 isores2 5949 isoini2 5955 ofrfval 6239 ofrfval2 6247 dfsmo2 6448 smores 6453 smores2 6455 ac6sfi 7080 supisolem 7198 ordiso2 7225 ismkvnex 7345 nninfwlporlemd 7362 caucvgsrlemcau 8003 suplocsrlempr 8017 axsuploc 8242 suprleubex 9124 dfinfre 9126 zextlt 9562 prime 9569 infregelbex 9822 fzshftral 10333 nninfinf 10695 fimaxq 11081 swrdspsleq 11238 pfxeq 11267 clim 11832 clim2 11834 clim2c 11835 clim0c 11837 climabs0 11858 climrecvg1n 11899 mertenslem2 12087 mertensabs 12088 dfgcd2 12575 sqrt2irr 12724 pc11 12894 pcz 12895 1arith 12930 infpn2 13067 grpidpropdg 13447 sgrppropd 13486 mndpropd 13513 grppropd 13590 issubg4m 13770 rngpropd 13958 ringpropd 14041 oppr1g 14085 lsspropdg 14435 isridlrng 14486 isridl 14508 expghmap 14611 tgss2 14793 neipsm 14868 ssidcn 14924 lmbrf 14929 cnnei 14946 cnrest2 14950 lmss 14960 lmres 14962 ismet2 15068 elmopn2 15163 metss 15208 metrest 15220 metcnp 15226 metcnp2 15227 metcn 15228 txmetcnp 15232 divcnap 15279 elcncf2 15288 mulc1cncf 15303 cncfmet 15306 cdivcncfap 15318 limcdifap 15376 limcmpted 15377 cnlimc 15386 mpodvdsmulf1o 15704 2sqlem6 15839 upgriswlkdc 16157 clwwlknonex2lem2 16233 iswomni0 16591 cndcap 16599 |
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