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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 2965 | . 2 ⊢ (⊤ → Ⅎ𝑥 𝐴 = 𝐵) |
6 | 5 | mptru 1545 | 1 ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 ⊤wtru 1539 Ⅎwnf 1785 Ⅎwnfc 2936 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-tru 1541 df-ex 1782 df-nf 1786 df-cleq 2791 df-nfc 2938 |
This theorem is referenced by: nfeq1 2970 nfeq2 2972 nfne 3087 raleqf 3350 rexeqf 3351 reueq1f 3352 rmoeq1f 3353 rabeqf 3428 csbhypf 3856 sbceqg 4317 nffn 6422 nffo 6564 fvmptd3f 6760 mpteqb 6764 fvmptf 6766 eqfnfv2f 6783 dff13f 6992 ovmpos 7277 ov2gf 7278 ovmpodxf 7279 ovmpodf 7285 eqerlem 8306 seqof2 13424 sumeq2ii 15042 sumss 15073 fsumadd 15088 fsummulc2 15131 fsumrelem 15154 prodeq1f 15254 prodeq2ii 15259 fprodmul 15306 fproddiv 15307 txcnp 22225 ptcnplem 22226 cnmpt11 22268 cnmpt21 22276 cnmptcom 22283 mbfeqalem1 24245 mbflim 24272 itgeq1f 24375 itgeqa 24417 dvmptfsum 24578 ulmss 24992 leibpi 25528 o1cxp 25560 lgseisenlem2 25960 2ndresdju 30411 aciunf1lem 30425 sigapildsys 31531 bnj1316 32202 bnj1446 32427 bnj1447 32428 bnj1448 32429 bnj1519 32447 bnj1520 32448 bnj1529 32452 nosupbnd1 33327 subtr 33775 subtr2 33776 bj-sbeqALT 34341 poimirlem25 35082 iuneq2f 35594 mpobi123f 35600 mptbi12f 35604 dvdsrabdioph 39751 fphpd 39757 mnringmulrcld 40936 fvelrnbf 41647 refsum2cnlem1 41666 elrnmpt1sf 41816 choicefi 41829 axccdom 41853 uzublem 42067 fsumf1of 42216 fmuldfeq 42225 mccl 42240 climmulf 42246 climexp 42247 climsuse 42250 climrecf 42251 climaddf 42257 mullimc 42258 neglimc 42289 addlimc 42290 0ellimcdiv 42291 climeldmeqmpt 42310 climfveqmpt 42313 climfveqf 42322 climfveqmpt3 42324 climeldmeqf 42325 climeqf 42330 climeldmeqmpt3 42331 limsupubuzlem 42354 limsupequz 42365 dvnmptdivc 42580 dvmptfprod 42587 dvnprodlem1 42588 stoweidlem18 42660 stoweidlem31 42673 stoweidlem55 42697 stoweidlem59 42701 sge0f1o 43021 sge0iunmpt 43057 sge0reuz 43086 iundjiun 43099 hoicvrrex 43195 ovnhoilem1 43240 ovnlecvr2 43249 opnvonmbllem1 43271 vonioo 43321 vonicc 43324 sssmf 43372 smflim 43410 smfpimcclem 43438 smfpimcc 43439 ovmpordxf 44740 |
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