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| Mirrors > Home > ILE Home > Th. List > rgen | GIF version | ||
| Description: Generalization rule for restricted quantification. (Contributed by NM, 19-Nov-1994.) |
| Ref | Expression |
|---|---|
| rgen.1 | ⊢ (𝑥 ∈ 𝐴 → 𝜑) |
| Ref | Expression |
|---|---|
| rgen | ⊢ ∀𝑥 ∈ 𝐴 𝜑 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ral 2533 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐴 → 𝜑)) | |
| 2 | rgen.1 | . 2 ⊢ (𝑥 ∈ 𝐴 → 𝜑) | |
| 3 | 1, 2 | mpgbir 1506 | 1 ⊢ ∀𝑥 ∈ 𝐴 𝜑 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ 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-gen 1502 |
| This proof depends on definitions: df-bi 117 df-ral 2533 |
| This theorem is used by: rgen2a 2604 rgenw 2605 mprg 2607 mprgbir 2608 rgen2 2636 r19.21be 2641 nrex 2642 rexlimi 2661 sbcth2 3140 reuss 3514 ral0 3629 unimax 3969 mpteq1 4215 mpteq2ia 4217 ordon 4633 tfis 4730 finds 4747 finds2 4748 ordom 4754 omsinds 4769 dmxpid 5003 fnopab 5508 fmpti 5860 opabex3 6351 oawordriexmid 6743 fifo 7314 inresflem 7400 0ct 7447 infnninf 7464 infnninfOLD 7465 exmidonfinlem 7545 pw1on 7585 netap 7620 2omotaplemap 7623 indpi 7709 nnindnn 8260 aptap 8979 sup3exmid 9288 nnssre 9309 nnind 9321 nnsub 9344 dfuzi 9758 indstr 9995 cnref1o 10053 frec2uzsucd 10840 uzsinds 10883 ser0f 10973 bccl 11207 hashfibc 11285 wrdind 11496 rexuz3 11758 isumlessdc 12265 prodf1f 12312 iprodap0 12351 eff2 12449 reeff1 12469 prmind2 12900 3prm 12908 sqrt2irr 12942 phisum 13021 pockthi 13139 1arith 13148 1arith2 13149 ballotfilemofi 13221 ballotfilem2 13230 ballotfilemefi 13239 ballotfilemafi 13240 ballotfilembfi 13241 ballotfilem7 13281 prminf 13348 xpsff1o 13672 rngmgpf 14238 mgpf 14317 cnfld1 14911 cnsubglem 14918 isbasis3g 15149 distop 15188 cdivcncfap 15707 dveflem 15829 ioocosf1o 15958 2irrexpqap 16086 2sqlem6 16251 2sqlem10 16256 konigsberglem5 16745 bj-indint 16969 bj-nnelirr 16991 bj-omord 16998 012of 17035 2o01f 17036 0nninf 17059 nconstwlpolem0 17125 |
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