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Mirrors > Home > MPE Home > Th. List > nfeq | Structured version Visualization version GIF version |
Description: Hypothesis builder for equality. (Contributed by NM, 21-Jun-1993.) (Revised by Mario Carneiro, 11-Aug-2016.) (Proof shortened by Wolf Lammen, 16-Nov-2019.) |
Ref | Expression |
---|---|
nfnfc.1 | ⊢ Ⅎ𝑥𝐴 |
nfeq.2 | ⊢ Ⅎ𝑥𝐵 |
Ref | Expression |
---|---|
nfeq | ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfnfc.1 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
2 | 1 | a1i 11 | . . 3 ⊢ (⊤ → Ⅎ𝑥𝐴) |
3 | nfeq.2 | . . . 4 ⊢ Ⅎ𝑥𝐵 | |
4 | 3 | a1i 11 | . . 3 ⊢ (⊤ → Ⅎ𝑥𝐵) |
5 | 2, 4 | nfeqd 2988 | . 2 ⊢ (⊤ → Ⅎ𝑥 𝐴 = 𝐵) |
6 | 5 | mptru 1540 | 1 ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1533 ⊤wtru 1534 Ⅎwnf 1780 Ⅎwnfc 2961 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1536 df-ex 1777 df-nf 1781 df-cleq 2814 df-nfc 2963 |
This theorem is referenced by: nfeq1 2993 nfeq2 2995 nfne 3119 raleqf 3397 rexeqf 3398 reueq1f 3399 rmoeq1f 3400 rabeqf 3481 csbhypf 3910 sbceqg 4360 nffn 6446 nffo 6583 fvmptd3f 6777 mpteqb 6781 fvmptf 6783 eqfnfv2f 6800 dff13f 7008 ovmpos 7292 ov2gf 7293 ovmpodxf 7294 ovmpodf 7300 eqerlem 8317 seqof2 13422 sumeq2ii 15044 sumss 15075 fsumadd 15090 fsummulc2 15133 fsumrelem 15156 prodeq1f 15256 prodeq2ii 15261 fprodmul 15308 fproddiv 15309 txcnp 22222 ptcnplem 22223 cnmpt11 22265 cnmpt21 22273 cnmptcom 22280 mbfeqalem1 24236 mbflim 24263 itgeq1f 24366 itgeqa 24408 dvmptfsum 24566 ulmss 24979 leibpi 25514 o1cxp 25546 lgseisenlem2 25946 aciunf1lem 30401 sigapildsys 31416 bnj1316 32087 bnj1446 32312 bnj1447 32313 bnj1448 32314 bnj1519 32332 bnj1520 32333 bnj1529 32337 nosupbnd1 33209 subtr 33657 subtr2 33658 bj-sbeqALT 34212 poimirlem25 34911 iuneq2f 35428 mpobi123f 35434 mptbi12f 35438 dvdsrabdioph 39400 fphpd 39406 fvelrnbf 41268 refsum2cnlem1 41287 elrnmpt1sf 41443 disjinfi 41447 choicefi 41456 axccdom 41480 uzublem 41697 fsumf1of 41848 fmuldfeq 41857 mccl 41872 climmulf 41878 climexp 41879 climsuse 41882 climrecf 41883 climaddf 41889 mullimc 41890 neglimc 41921 addlimc 41922 0ellimcdiv 41923 climeldmeqmpt 41942 climfveqmpt 41945 climfveqf 41954 climfveqmpt3 41956 climeldmeqf 41957 climeqf 41962 climeldmeqmpt3 41963 limsupubuzlem 41986 limsupequz 41997 dvnmptdivc 42216 dvmptfprod 42223 dvnprodlem1 42224 stoweidlem18 42297 stoweidlem31 42310 stoweidlem55 42334 stoweidlem59 42338 sge0f1o 42658 sge0iunmpt 42694 sge0reuz 42723 iundjiun 42736 hoicvrrex 42832 ovnhoilem1 42877 ovnlecvr2 42886 opnvonmbllem1 42908 vonioo 42958 vonicc 42961 sssmf 43009 smflim 43047 smfpimcclem 43075 smfpimcc 43076 ovmpordxf 44381 |
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