tsan1 - Mathbox for Giovanni Mascellani

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Theorem tsan1 33948

Description: A Tseitin axiom for logical conjunction, in deduction form. (Contributed by Giovanni Mascellani, 24-Mar-2018.)

**Assertion**
Ref	Expression
tsan1	$\/$ $\/$ $/\$

**Proof of Theorem tsan1**
Step	Hyp	Ref	Expression
1		pm3.12 521	. 2 $\/$ $\/$ $/\$
2	1	a1i 11	1 $\/$ $\/$ $/\$

Colors of variables: wff setvar class

Syntax hints:

wn 3

wi 4 $\/$ wo 383 $/\$ wa 384

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8

This theorem depends on definitions: df-bi 197 df-or 385 df-an 386

This theorem is referenced by: tsna1 33951 ts3an1 33957 mpt2bi123f 33971 mptbi12f 33975