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Mirrors > Home > NFE Home > Th. List > elrn | GIF version |
Description: Membership in a range. (Contributed by set.mm contributors, 2-Apr-2004.) |
Ref | Expression |
---|---|
elrn | ⊢ (A ∈ ran B ↔ ∃x xBA) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rn 4787 | . . 3 ⊢ ran B = (B “ V) | |
2 | 1 | eleq2i 2417 | . 2 ⊢ (A ∈ ran B ↔ A ∈ (B “ V)) |
3 | elima 4755 | . 2 ⊢ (A ∈ (B “ V) ↔ ∃x ∈ V xBA) | |
4 | rexv 2874 | . 2 ⊢ (∃x ∈ V xBA ↔ ∃x xBA) | |
5 | 2, 3, 4 | 3bitri 262 | 1 ⊢ (A ∈ ran B ↔ ∃x xBA) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 176 ∃wex 1541 ∈ wcel 1710 ∃wrex 2616 Vcvv 2860 class class class wbr 4640 “ cima 4723 ran crn 4774 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-13 1712 ax-14 1714 ax-6 1729 ax-7 1734 ax-11 1746 ax-12 1925 ax-ext 2334 ax-nin 4079 ax-xp 4080 ax-cnv 4081 ax-1c 4082 ax-sset 4083 ax-si 4084 ax-ins2 4085 ax-ins3 4086 ax-typlower 4087 ax-sn 4088 |
This theorem depends on definitions: df-bi 177 df-or 359 df-an 360 df-3or 935 df-3an 936 df-nan 1288 df-tru 1319 df-ex 1542 df-nf 1545 df-sb 1649 df-eu 2208 df-mo 2209 df-clab 2340 df-cleq 2346 df-clel 2349 df-nfc 2479 df-ne 2519 df-ral 2620 df-rex 2621 df-reu 2622 df-rmo 2623 df-rab 2624 df-v 2862 df-sbc 3048 df-nin 3212 df-compl 3213 df-in 3214 df-un 3215 df-dif 3216 df-symdif 3217 df-ss 3260 df-pss 3262 df-nul 3552 df-if 3664 df-pw 3725 df-sn 3742 df-pr 3743 df-uni 3893 df-int 3928 df-opk 4059 df-1c 4137 df-pw1 4138 df-uni1 4139 df-xpk 4186 df-cnvk 4187 df-ins2k 4188 df-ins3k 4189 df-imak 4190 df-cok 4191 df-p6 4192 df-sik 4193 df-ssetk 4194 df-imagek 4195 df-idk 4196 df-iota 4340 df-0c 4378 df-addc 4379 df-nnc 4380 df-fin 4381 df-lefin 4441 df-ltfin 4442 df-ncfin 4443 df-tfin 4444 df-evenfin 4445 df-oddfin 4446 df-sfin 4447 df-spfin 4448 df-phi 4566 df-op 4567 df-proj1 4568 df-proj2 4569 df-br 4641 df-ima 4728 df-rn 4787 |
This theorem is referenced by: elrn2 4898 eldm 4899 dfrn2 4903 dfrn4 4905 rnsnop 5076 rnco 5088 funcnv3 5158 dffo4 5424 fvclss 5463 elfix 5788 erdmrn 5966 enpw1 6063 enprmaplem6 6082 nenpw1pwlem2 6086 ovmuc 6131 nnc3n3p1 6279 nchoicelem10 6299 |
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