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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 2990 | . 2 ⊢ (⊤ → Ⅎ𝑥 𝐴 = 𝐵) |
6 | 5 | mptru 1544 | 1 ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 ⊤wtru 1538 Ⅎwnf 1784 Ⅎwnfc 2963 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-cleq 2816 df-nfc 2965 |
This theorem is referenced by: nfeq1 2995 nfeq2 2997 nfne 3121 raleqf 3399 rexeqf 3400 reueq1f 3401 rmoeq1f 3402 rabeqf 3483 csbhypf 3913 sbceqg 4363 nffn 6454 nffo 6591 fvmptd3f 6785 mpteqb 6789 fvmptf 6791 eqfnfv2f 6808 dff13f 7016 ovmpos 7300 ov2gf 7301 ovmpodxf 7302 ovmpodf 7308 eqerlem 8325 seqof2 13431 sumeq2ii 15052 sumss 15083 fsumadd 15098 fsummulc2 15141 fsumrelem 15164 prodeq1f 15264 prodeq2ii 15269 fprodmul 15316 fproddiv 15317 txcnp 22230 ptcnplem 22231 cnmpt11 22273 cnmpt21 22281 cnmptcom 22288 mbfeqalem1 24244 mbflim 24271 itgeq1f 24374 itgeqa 24416 dvmptfsum 24574 ulmss 24987 leibpi 25522 o1cxp 25554 lgseisenlem2 25954 aciunf1lem 30409 sigapildsys 31423 bnj1316 32094 bnj1446 32319 bnj1447 32320 bnj1448 32321 bnj1519 32339 bnj1520 32340 bnj1529 32344 nosupbnd1 33216 subtr 33664 subtr2 33665 bj-sbeqALT 34219 poimirlem25 34919 iuneq2f 35436 mpobi123f 35442 mptbi12f 35446 dvdsrabdioph 39414 fphpd 39420 fvelrnbf 41282 refsum2cnlem1 41301 elrnmpt1sf 41457 disjinfi 41461 choicefi 41470 axccdom 41494 uzublem 41711 fsumf1of 41862 fmuldfeq 41871 mccl 41886 climmulf 41892 climexp 41893 climsuse 41896 climrecf 41897 climaddf 41903 mullimc 41904 neglimc 41935 addlimc 41936 0ellimcdiv 41937 climeldmeqmpt 41956 climfveqmpt 41959 climfveqf 41968 climfveqmpt3 41970 climeldmeqf 41971 climeqf 41976 climeldmeqmpt3 41977 limsupubuzlem 42000 limsupequz 42011 dvnmptdivc 42230 dvmptfprod 42237 dvnprodlem1 42238 stoweidlem18 42310 stoweidlem31 42323 stoweidlem55 42347 stoweidlem59 42351 sge0f1o 42671 sge0iunmpt 42707 sge0reuz 42736 iundjiun 42749 hoicvrrex 42845 ovnhoilem1 42890 ovnlecvr2 42899 opnvonmbllem1 42921 vonioo 42971 vonicc 42974 sssmf 43022 smflim 43060 smfpimcclem 43088 smfpimcc 43089 ovmpordxf 44394 |
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