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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 4846 funimass4 5756 fnmptfvd 5816 funimass3 5828 funconstss 5830 cocan1 5996 cocan2 5997 isocnv2 6021 isores2 6022 isoini2 6028 ofrfval 6315 ofrfval2 6323 dfsmo2 6562 smores 6567 smores2 6569 ac6sfi 7206 supisolem 7354 ordiso2 7381 ismkvnex 7501 nninfwlporlemd 7518 caucvgsrlemcau 8166 suplocsrlempr 8180 axsuploc 8404 suprleubex 9292 dfinfre 9294 ofsubeq0 9300 zextlt 9749 prime 9756 infregelbex 10014 fzshftral 10532 nninfinf 10901 fimaxq 11292 swrdspsleq 11461 pfxeq 11490 clim 12072 clim2 12074 clim2c 12075 clim0c 12077 climabs0 12098 climrecvg1n 12139 mertenslem2 12328 mertensabs 12329 dfgcd2 12816 sqrt2irr 12966 pc11 13139 pcz 13140 1arith 13175 ballotfilemodife 13298 infpn2 13405 grpidpropdg 13753 sgrppropd 13787 mndpropd 13812 grppropd 13881 issubg4m 14055 rngpropd 14361 ringpropd 14450 oppr1g 14497 opprdrng 14729 lsspropdg 14877 isridlrng 14928 isridl 14950 expghmap 15051 assapropd 15123 psrbagconf1o 15174 gsumbagdiaglem 15175 tgss2 15305 neipsm 15380 ssidcn 15436 lmbrf 15441 cnnei 15458 cnrest2 15462 lmss 15472 lmres 15474 ismet2 15580 elmopn2 15675 metss 15720 metrest 15732 metcnp 15738 metcnp2 15739 metcn 15740 txmetcnp 15744 divcnap 15791 elcncf2 15800 mulc1cncf 15815 cncfmet 15818 cdivcncfap 15830 limcdifap 15888 limcmpted 15889 cnlimc 15898 mpodvdsmulf1o 16284 2sqlem6 16444 upgriswlkdc 16806 clwwlknonex2lem2 16884 iswomni0 17308 cndcap 17316 |
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